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Finding the Fourth Proportional to 72,617.48, 108,926.30 and 22,697.84

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Solution

The fourth proportional to 72,617.48, 108,926.30 and 22,697.84 is: 34,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,617.48 : 108,926.30 = 22,697.84 : x
  2. Step 2: Convert to fraction form
    72,617.48/108,926.30 = 22,697.84/x
  3. Step 3: Cross multiply
    72,617.48x = 108,926.30 × 22,697.84
  4. Step 4: Simplify right side
    72,617.48x = 2,472,391,071.07
  5. Step 5: Solve for x
    x = 2,472,391,071.07/72,617.48
  6. Step 6: Final answer
    x = 34,046.78

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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.