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Finding the Fourth Proportional to 49,691.68, 68,494.80 and 45,622.24

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Solution

The fourth proportional to 49,691.68, 68,494.80 and 45,622.24 is: 62,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.68 : 68,494.80 = 45,622.24 : x
  2. Step 2: Convert to fraction form
    49,691.68/68,494.80 = 45,622.24/x
  3. Step 3: Cross multiply
    49,691.68x = 68,494.80 × 45,622.24
  4. Step 4: Simplify right side
    49,691.68x = 3,124,886,204.35
  5. Step 5: Solve for x
    x = 3,124,886,204.35/49,691.68
  6. Step 6: Final answer
    x = 62,885.50

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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.