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Finding the Fourth Proportional to 62,119.13, 93,178.69 and 15,372

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Solution

The fourth proportional to 62,119.13, 93,178.69 and 15,372 is: 23,058

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,119.13 : 93,178.69 = 15,372 : x
  2. Step 2: Convert to fraction form
    62,119.13/93,178.69 = 15,372/x
  3. Step 3: Cross multiply
    62,119.13x = 93,178.69 × 15,372
  4. Step 4: Simplify right side
    62,119.13x = 1,432,342,784.25
  5. Step 5: Solve for x
    x = 1,432,342,784.25/62,119.13
  6. Step 6: Final answer
    x = 23,058

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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.