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Finding the Fourth Proportional to 45,854.76, 68,847.80 and 34,044.96

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Solution

The fourth proportional to 45,854.76, 68,847.80 and 34,044.96 is: 51,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,854.76 : 68,847.80 = 34,044.96 : x
  2. Step 2: Convert to fraction form
    45,854.76/68,847.80 = 34,044.96/x
  3. Step 3: Cross multiply
    45,854.76x = 68,847.80 × 34,044.96
  4. Step 4: Simplify right side
    45,854.76x = 2,343,920,597.09
  5. Step 5: Solve for x
    x = 2,343,920,597.09/45,854.76
  6. Step 6: Final answer
    x = 51,116.19

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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.