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Finding the Fourth Proportional to 67,618.55, 93,282.17 and 43,752.93

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Solution

The fourth proportional to 67,618.55, 93,282.17 and 43,752.93 is: 60,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.55 : 93,282.17 = 43,752.93 : x
  2. Step 2: Convert to fraction form
    67,618.55/93,282.17 = 43,752.93/x
  3. Step 3: Cross multiply
    67,618.55x = 93,282.17 × 43,752.93
  4. Step 4: Simplify right side
    67,618.55x = 4,081,368,254.26
  5. Step 5: Solve for x
    x = 4,081,368,254.26/67,618.55
  6. Step 6: Final answer
    x = 60,358.71

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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.