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Finding the Fourth Proportional to 62,666, 93,988.92 and 18,282.32

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Solution

The fourth proportional to 62,666, 93,988.92 and 18,282.32 is: 27,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666 : 93,988.92 = 18,282.32 : x
  2. Step 2: Convert to fraction form
    62,666/93,988.92 = 18,282.32/x
  3. Step 3: Cross multiply
    62,666x = 93,988.92 × 18,282.32
  4. Step 4: Simplify right side
    62,666x = 1,718,335,511.89
  5. Step 5: Solve for x
    x = 1,718,335,511.89/62,666
  6. Step 6: Final answer
    x = 27,420.54

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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.