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Finding the Fourth Proportional to 34,371.60, 51,456.60 and 25,645.20

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Solution

The fourth proportional to 34,371.60, 51,456.60 and 25,645.20 is: 38,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,371.60 : 51,456.60 = 25,645.20 : x
  2. Step 2: Convert to fraction form
    34,371.60/51,456.60 = 25,645.20/x
  3. Step 3: Cross multiply
    34,371.60x = 51,456.60 × 25,645.20
  4. Step 4: Simplify right side
    34,371.60x = 1,319,614,798.32
  5. Step 5: Solve for x
    x = 1,319,614,798.32/34,371.60
  6. Step 6: Final answer
    x = 38,392.59

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1.5x scale

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.