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Finding the Fourth Proportional to 56,248.58, 77,623.10 and 32,379.90

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Solution

The fourth proportional to 56,248.58, 77,623.10 and 32,379.90 is: 44,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248.58 : 77,623.10 = 32,379.90 : x
  2. Step 2: Convert to fraction form
    56,248.58/77,623.10 = 32,379.90/x
  3. Step 3: Cross multiply
    56,248.58x = 77,623.10 × 32,379.90
  4. Step 4: Simplify right side
    56,248.58x = 2,513,428,053.79
  5. Step 5: Solve for x
    x = 2,513,428,053.79/56,248.58
  6. Step 6: Final answer
    x = 44,684.30

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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.