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Finding the Fourth Proportional to 34,241.52, 47,251.60 and 19,131.20

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Solution

The fourth proportional to 34,241.52, 47,251.60 and 19,131.20 is: 26,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,241.52 : 47,251.60 = 19,131.20 : x
  2. Step 2: Convert to fraction form
    34,241.52/47,251.60 = 19,131.20/x
  3. Step 3: Cross multiply
    34,241.52x = 47,251.60 × 19,131.20
  4. Step 4: Simplify right side
    34,241.52x = 903,979,809.92
  5. Step 5: Solve for x
    x = 903,979,809.92/34,241.52
  6. Step 6: Final answer
    x = 26,400.11

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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.