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Finding the Fourth Proportional to 75,425.76, 113,150.88 and 25,508.90

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Solution

The fourth proportional to 75,425.76, 113,150.88 and 25,508.90 is: 38,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.76 : 113,150.88 = 25,508.90 : x
  2. Step 2: Convert to fraction form
    75,425.76/113,150.88 = 25,508.90/x
  3. Step 3: Cross multiply
    75,425.76x = 113,150.88 × 25,508.90
  4. Step 4: Simplify right side
    75,425.76x = 2,886,354,482.83
  5. Step 5: Solve for x
    x = 2,886,354,482.83/75,425.76
  6. Step 6: Final answer
    x = 38,267.49

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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.