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Finding the Fourth Proportional to 25,070.49, 34,591.19 and 13,892.49

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Solution

The fourth proportional to 25,070.49, 34,591.19 and 13,892.49 is: 19,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.49 : 34,591.19 = 13,892.49 : x
  2. Step 2: Convert to fraction form
    25,070.49/34,591.19 = 13,892.49/x
  3. Step 3: Cross multiply
    25,070.49x = 34,591.19 × 13,892.49
  4. Step 4: Simplify right side
    25,070.49x = 480,557,691.70
  5. Step 5: Solve for x
    x = 480,557,691.70/25,070.49
  6. Step 6: Final answer
    x = 19,168.26

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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.