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Finding the Fourth Proportional to 29,248.80, 40,344.76 and 19,177.90

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Solution

The fourth proportional to 29,248.80, 40,344.76 and 19,177.90 is: 26,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,248.80 : 40,344.76 = 19,177.90 : x
  2. Step 2: Convert to fraction form
    29,248.80/40,344.76 = 19,177.90/x
  3. Step 3: Cross multiply
    29,248.80x = 40,344.76 × 19,177.90
  4. Step 4: Simplify right side
    29,248.80x = 773,727,772.80
  5. Step 5: Solve for x
    x = 773,727,772.80/29,248.80
  6. Step 6: Final answer
    x = 26,453.32

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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.