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Finding the Fourth Proportional to 60,489.49, 83,484.58 and 43,549.81

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Solution

The fourth proportional to 60,489.49, 83,484.58 and 43,549.81 is: 60,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.49 : 83,484.58 = 43,549.81 : x
  2. Step 2: Convert to fraction form
    60,489.49/83,484.58 = 43,549.81/x
  3. Step 3: Cross multiply
    60,489.49x = 83,484.58 × 43,549.81
  4. Step 4: Simplify right side
    60,489.49x = 3,635,737,596.93
  5. Step 5: Solve for x
    x = 3,635,737,596.93/60,489.49
  6. Step 6: Final answer
    x = 60,105.28

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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.