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Finding the Fourth Proportional to 62,635.78, 93,959.14 and 15,888.66

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Solution

The fourth proportional to 62,635.78, 93,959.14 and 15,888.66 is: 23,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,635.78 : 93,959.14 = 15,888.66 : x
  2. Step 2: Convert to fraction form
    62,635.78/93,959.14 = 15,888.66/x
  3. Step 3: Cross multiply
    62,635.78x = 93,959.14 × 15,888.66
  4. Step 4: Simplify right side
    62,635.78x = 1,492,884,467.08
  5. Step 5: Solve for x
    x = 1,492,884,467.08/62,635.78
  6. Step 6: Final answer
    x = 23,834.37

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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.