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Finding the Fourth Proportional to 7,424.01, 10,244.90 and 4,066.75

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Solution

The fourth proportional to 7,424.01, 10,244.90 and 4,066.75 is: 5,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.01 : 10,244.90 = 4,066.75 : x
  2. Step 2: Convert to fraction form
    7,424.01/10,244.90 = 4,066.75/x
  3. Step 3: Cross multiply
    7,424.01x = 10,244.90 × 4,066.75
  4. Step 4: Simplify right side
    7,424.01x = 41,663,447.08
  5. Step 5: Solve for x
    x = 41,663,447.08/7,424.01
  6. Step 6: Final answer
    x = 5,611.99

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Half scale
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Double scale
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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.