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Finding the Fourth Proportional to 52,988.92, 79,495.69 and 15,547.48

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Solution

The fourth proportional to 52,988.92, 79,495.69 and 15,547.48 is: 23,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.92 : 79,495.69 = 15,547.48 : x
  2. Step 2: Convert to fraction form
    52,988.92/79,495.69 = 15,547.48/x
  3. Step 3: Cross multiply
    52,988.92x = 79,495.69 × 15,547.48
  4. Step 4: Simplify right side
    52,988.92x = 1,235,957,175.15
  5. Step 5: Solve for x
    x = 1,235,957,175.15/52,988.92
  6. Step 6: Final answer
    x = 23,324.83

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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.