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Finding the Fourth Proportional to 62,221.68, 85,863.78 and 35,363.72

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Solution

The fourth proportional to 62,221.68, 85,863.78 and 35,363.72 is: 48,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,221.68 : 85,863.78 = 35,363.72 : x
  2. Step 2: Convert to fraction form
    62,221.68/85,863.78 = 35,363.72/x
  3. Step 3: Cross multiply
    62,221.68x = 85,863.78 × 35,363.72
  4. Step 4: Simplify right side
    62,221.68x = 3,036,462,674.06
  5. Step 5: Solve for x
    x = 3,036,462,674.06/62,221.68
  6. Step 6: Final answer
    x = 48,800.72

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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.