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Finding the Fourth Proportional to 60,507.96, 90,694.68 and 45,668.76

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Solution

The fourth proportional to 60,507.96, 90,694.68 and 45,668.76 is: 68,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,507.96 : 90,694.68 = 45,668.76 : x
  2. Step 2: Convert to fraction form
    60,507.96/90,694.68 = 45,668.76/x
  3. Step 3: Cross multiply
    60,507.96x = 90,694.68 × 45,668.76
  4. Step 4: Simplify right side
    60,507.96x = 4,141,913,574.20
  5. Step 5: Solve for x
    x = 4,141,913,574.20/60,507.96
  6. Step 6: Final answer
    x = 68,452.38

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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.