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Finding the Fourth Proportional to 63,013.60, 94,520.40 and 31,844.80

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Solution

The fourth proportional to 63,013.60, 94,520.40 and 31,844.80 is: 47,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013.60 : 94,520.40 = 31,844.80 : x
  2. Step 2: Convert to fraction form
    63,013.60/94,520.40 = 31,844.80/x
  3. Step 3: Cross multiply
    63,013.60x = 94,520.40 × 31,844.80
  4. Step 4: Simplify right side
    63,013.60x = 3,009,983,233.92
  5. Step 5: Solve for x
    x = 3,009,983,233.92/63,013.60
  6. Step 6: Final answer
    x = 47,767.20

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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.