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Finding the Fourth Proportional to 56,507.60, 84,761.22 and 52,770.89

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Solution

The fourth proportional to 56,507.60, 84,761.22 and 52,770.89 is: 79,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.60 : 84,761.22 = 52,770.89 : x
  2. Step 2: Convert to fraction form
    56,507.60/84,761.22 = 52,770.89/x
  3. Step 3: Cross multiply
    56,507.60x = 84,761.22 × 52,770.89
  4. Step 4: Simplify right side
    56,507.60x = 4,472,925,016.89
  5. Step 5: Solve for x
    x = 4,472,925,016.89/56,507.60
  6. Step 6: Final answer
    x = 79,156.17

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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.