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Finding the Fourth Proportional to 84,594.60, 126,910.08 and 25,425.36

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Solution

The fourth proportional to 84,594.60, 126,910.08 and 25,425.36 is: 38,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,594.60 : 126,910.08 = 25,425.36 : x
  2. Step 2: Convert to fraction form
    84,594.60/126,910.08 = 25,425.36/x
  3. Step 3: Cross multiply
    84,594.60x = 126,910.08 × 25,425.36
  4. Step 4: Simplify right side
    84,594.60x = 3,226,734,471.63
  5. Step 5: Solve for x
    x = 3,226,734,471.63/84,594.60
  6. Step 6: Final answer
    x = 38,143.50

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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.