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Finding the Fourth Proportional to 56,154.60, 77,474.48 and 34,932.51

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Solution

The fourth proportional to 56,154.60, 77,474.48 and 34,932.51 is: 48,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.60 : 77,474.48 = 34,932.51 : x
  2. Step 2: Convert to fraction form
    56,154.60/77,474.48 = 34,932.51/x
  3. Step 3: Cross multiply
    56,154.60x = 77,474.48 × 34,932.51
  4. Step 4: Simplify right side
    56,154.60x = 2,706,377,872.68
  5. Step 5: Solve for x
    x = 2,706,377,872.68/56,154.60
  6. Step 6: Final answer
    x = 48,195.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.