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Finding the Fourth Proportional to 56,508.60, 84,827.70 and 33,148.20

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Solution

The fourth proportional to 56,508.60, 84,827.70 and 33,148.20 is: 49,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.60 : 84,827.70 = 33,148.20 : x
  2. Step 2: Convert to fraction form
    56,508.60/84,827.70 = 33,148.20/x
  3. Step 3: Cross multiply
    56,508.60x = 84,827.70 × 33,148.20
  4. Step 4: Simplify right side
    56,508.60x = 2,811,885,565.14
  5. Step 5: Solve for x
    x = 2,811,885,565.14/56,508.60
  6. Step 6: Final answer
    x = 49,760.31

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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.