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Finding the Fourth Proportional to 62,248.46, 85,890.72 and 35,386.38

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Solution

The fourth proportional to 62,248.46, 85,890.72 and 35,386.38 is: 48,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,248.46 : 85,890.72 = 35,386.38 : x
  2. Step 2: Convert to fraction form
    62,248.46/85,890.72 = 35,386.38/x
  3. Step 3: Cross multiply
    62,248.46x = 85,890.72 × 35,386.38
  4. Step 4: Simplify right side
    62,248.46x = 3,039,361,871.12
  5. Step 5: Solve for x
    x = 3,039,361,871.12/62,248.46
  6. Step 6: Final answer
    x = 48,826.30

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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.