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Finding the Fourth Proportional to 18,331.99, 25,296.01 and 10,266.10

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Solution

The fourth proportional to 18,331.99, 25,296.01 and 10,266.10 is: 14,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.99 : 25,296.01 = 10,266.10 : x
  2. Step 2: Convert to fraction form
    18,331.99/25,296.01 = 10,266.10/x
  3. Step 3: Cross multiply
    18,331.99x = 25,296.01 × 10,266.10
  4. Step 4: Simplify right side
    18,331.99x = 259,691,368.26
  5. Step 5: Solve for x
    x = 259,691,368.26/18,331.99
  6. Step 6: Final answer
    x = 14,166.02

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.