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Finding the Fourth Proportional to 48,662.68, 67,154.82 and 30,765.76

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Solution

The fourth proportional to 48,662.68, 67,154.82 and 30,765.76 is: 42,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.68 : 67,154.82 = 30,765.76 : x
  2. Step 2: Convert to fraction form
    48,662.68/67,154.82 = 30,765.76/x
  3. Step 3: Cross multiply
    48,662.68x = 67,154.82 × 30,765.76
  4. Step 4: Simplify right side
    48,662.68x = 2,066,069,074.96
  5. Step 5: Solve for x
    x = 2,066,069,074.96/48,662.68
  6. Step 6: Final answer
    x = 42,456.95

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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.