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Finding the Fourth Proportional to 62,305.81, 85,982.05 and 38,446.32

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Solution

The fourth proportional to 62,305.81, 85,982.05 and 38,446.32 is: 53,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,305.81 : 85,982.05 = 38,446.32 : x
  2. Step 2: Convert to fraction form
    62,305.81/85,982.05 = 38,446.32/x
  3. Step 3: Cross multiply
    62,305.81x = 85,982.05 × 38,446.32
  4. Step 4: Simplify right side
    62,305.81x = 3,305,693,779.05
  5. Step 5: Solve for x
    x = 3,305,693,779.05/62,305.81
  6. Step 6: Final answer
    x = 53,055.95

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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.