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Finding the Fourth Proportional to 52,988.48, 79,418.16 and 29,295.08

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Solution

The fourth proportional to 52,988.48, 79,418.16 and 29,295.08 is: 43,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.48 : 79,418.16 = 29,295.08 : x
  2. Step 2: Convert to fraction form
    52,988.48/79,418.16 = 29,295.08/x
  3. Step 3: Cross multiply
    52,988.48x = 79,418.16 × 29,295.08
  4. Step 4: Simplify right side
    52,988.48x = 2,326,561,350.65
  5. Step 5: Solve for x
    x = 2,326,561,350.65/52,988.48
  6. Step 6: Final answer
    x = 43,906.93

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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.