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Finding the Fourth Proportional to 37,801, 56,711.10 and 13,178.92

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Solution

The fourth proportional to 37,801, 56,711.10 and 13,178.92 is: 19,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,801 : 56,711.10 = 13,178.92 : x
  2. Step 2: Convert to fraction form
    37,801/56,711.10 = 13,178.92/x
  3. Step 3: Cross multiply
    37,801x = 56,711.10 × 13,178.92
  4. Step 4: Simplify right side
    37,801x = 747,391,050.01
  5. Step 5: Solve for x
    x = 747,391,050.01/37,801
  6. Step 6: Final answer
    x = 19,771.73

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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.