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Finding the Fourth Proportional to 48,001.62, 72,064.80 and 36,916.16

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Solution

The fourth proportional to 48,001.62, 72,064.80 and 36,916.16 is: 55,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.62 : 72,064.80 = 36,916.16 : x
  2. Step 2: Convert to fraction form
    48,001.62/72,064.80 = 36,916.16/x
  3. Step 3: Cross multiply
    48,001.62x = 72,064.80 × 36,916.16
  4. Step 4: Simplify right side
    48,001.62x = 2,660,355,867.33
  5. Step 5: Solve for x
    x = 2,660,355,867.33/48,001.62
  6. Step 6: Final answer
    x = 55,422.21

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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.