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Finding the Fourth Proportional to 25,437.09, 35,103.19 and 14,259.09

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Solution

The fourth proportional to 25,437.09, 35,103.19 and 14,259.09 is: 19,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.09 : 35,103.19 = 14,259.09 : x
  2. Step 2: Convert to fraction form
    25,437.09/35,103.19 = 14,259.09/x
  3. Step 3: Cross multiply
    25,437.09x = 35,103.19 × 14,259.09
  4. Step 4: Simplify right side
    25,437.09x = 500,539,668.22
  5. Step 5: Solve for x
    x = 500,539,668.22/25,437.09
  6. Step 6: Final answer
    x = 19,677.55

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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.