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Finding the Fourth Proportional to 72,737.68, 109,106.44 and 22,822.16

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Solution

The fourth proportional to 72,737.68, 109,106.44 and 22,822.16 is: 34,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,737.68 : 109,106.44 = 22,822.16 : x
  2. Step 2: Convert to fraction form
    72,737.68/109,106.44 = 22,822.16/x
  3. Step 3: Cross multiply
    72,737.68x = 109,106.44 × 22,822.16
  4. Step 4: Simplify right side
    72,737.68x = 2,490,044,630.71
  5. Step 5: Solve for x
    x = 2,490,044,630.71/72,737.68
  6. Step 6: Final answer
    x = 34,233.21

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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.