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Finding the Fourth Proportional to 72,856.49, 109,275.17 and 22,936.85

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Solution

The fourth proportional to 72,856.49, 109,275.17 and 22,936.85 is: 34,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,856.49 : 109,275.17 = 22,936.85 : x
  2. Step 2: Convert to fraction form
    72,856.49/109,275.17 = 22,936.85/x
  3. Step 3: Cross multiply
    72,856.49x = 109,275.17 × 22,936.85
  4. Step 4: Simplify right side
    72,856.49x = 2,506,428,125.67
  5. Step 5: Solve for x
    x = 2,506,428,125.67/72,856.49
  6. Step 6: Final answer
    x = 34,402.26

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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.