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Finding the Fourth Proportional to 52,227.60, 72,073.80 and 28,354.08

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Solution

The fourth proportional to 52,227.60, 72,073.80 and 28,354.08 is: 39,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,227.60 : 72,073.80 = 28,354.08 : x
  2. Step 2: Convert to fraction form
    52,227.60/72,073.80 = 28,354.08/x
  3. Step 3: Cross multiply
    52,227.60x = 72,073.80 × 28,354.08
  4. Step 4: Simplify right side
    52,227.60x = 2,043,586,291.10
  5. Step 5: Solve for x
    x = 2,043,586,291.10/52,227.60
  6. Step 6: Final answer
    x = 39,128.47

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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.