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Finding the Fourth Proportional to 68,003.68, 93,760.72 and 45,292.92

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Solution

The fourth proportional to 68,003.68, 93,760.72 and 45,292.92 is: 62,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.68 : 93,760.72 = 45,292.92 : x
  2. Step 2: Convert to fraction form
    68,003.68/93,760.72 = 45,292.92/x
  3. Step 3: Cross multiply
    68,003.68x = 93,760.72 × 45,292.92
  4. Step 4: Simplify right side
    68,003.68x = 4,246,696,790.10
  5. Step 5: Solve for x
    x = 4,246,696,790.10/68,003.68
  6. Step 6: Final answer
    x = 62,448.04

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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.