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Finding the Fourth Proportional to 34,242.52, 47,252.98 and 19,132.20

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Solution

The fourth proportional to 34,242.52, 47,252.98 and 19,132.20 is: 26,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,242.52 : 47,252.98 = 19,132.20 : x
  2. Step 2: Convert to fraction form
    34,242.52/47,252.98 = 19,132.20/x
  3. Step 3: Cross multiply
    34,242.52x = 47,252.98 × 19,132.20
  4. Step 4: Simplify right side
    34,242.52x = 904,053,463.96
  5. Step 5: Solve for x
    x = 904,053,463.96/34,242.52
  6. Step 6: Final answer
    x = 26,401.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.