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Finding the Fourth Proportional to 60,680.80, 83,737.56 and 38,032

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Solution

The fourth proportional to 60,680.80, 83,737.56 and 38,032 is: 52,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,680.80 : 83,737.56 = 38,032 : x
  2. Step 2: Convert to fraction form
    60,680.80/83,737.56 = 38,032/x
  3. Step 3: Cross multiply
    60,680.80x = 83,737.56 × 38,032
  4. Step 4: Simplify right side
    60,680.80x = 3,184,706,881.92
  5. Step 5: Solve for x
    x = 3,184,706,881.92/60,680.80
  6. Step 6: Final answer
    x = 52,482.94

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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.