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Finding the Fourth Proportional to 56,365.52, 84,474.80 and 31,404.56

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Solution

The fourth proportional to 56,365.52, 84,474.80 and 31,404.56 is: 47,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,365.52 : 84,474.80 = 31,404.56 : x
  2. Step 2: Convert to fraction form
    56,365.52/84,474.80 = 31,404.56/x
  3. Step 3: Cross multiply
    56,365.52x = 84,474.80 × 31,404.56
  4. Step 4: Simplify right side
    56,365.52x = 2,652,893,925.09
  5. Step 5: Solve for x
    x = 2,652,893,925.09/56,365.52
  6. Step 6: Final answer
    x = 47,065.90

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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.