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Finding the Fourth Proportional to 37,872.16, 56,720.76 and 36,560

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Solution

The fourth proportional to 37,872.16, 56,720.76 and 36,560 is: 54,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.16 : 56,720.76 = 36,560 : x
  2. Step 2: Convert to fraction form
    37,872.16/56,720.76 = 36,560/x
  3. Step 3: Cross multiply
    37,872.16x = 56,720.76 × 36,560
  4. Step 4: Simplify right side
    37,872.16x = 2,073,710,985.60
  5. Step 5: Solve for x
    x = 2,073,710,985.60/37,872.16
  6. Step 6: Final answer
    x = 54,755.55

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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.