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Finding the Fourth Proportional to 37,158, 55,737 and 12,534

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Solution

The fourth proportional to 37,158, 55,737 and 12,534 is: 18,801

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158 : 55,737 = 12,534 : x
  2. Step 2: Convert to fraction form
    37,158/55,737 = 12,534/x
  3. Step 3: Cross multiply
    37,158x = 55,737 × 12,534
  4. Step 4: Simplify right side
    37,158x = 698,607,558
  5. Step 5: Solve for x
    x = 698,607,558/37,158
  6. Step 6: Final answer
    x = 18,801

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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.