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Finding the Fourth Proportional to 72,888.14, 109,332.58 and 22,972.16

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Solution

The fourth proportional to 72,888.14, 109,332.58 and 22,972.16 is: 34,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,888.14 : 109,332.58 = 22,972.16 : x
  2. Step 2: Convert to fraction form
    72,888.14/109,332.58 = 22,972.16/x
  3. Step 3: Cross multiply
    72,888.14x = 109,332.58 × 22,972.16
  4. Step 4: Simplify right side
    72,888.14x = 2,511,605,520.97
  5. Step 5: Solve for x
    x = 2,511,605,520.97/72,888.14
  6. Step 6: Final answer
    x = 34,458.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.