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Finding the Fourth Proportional to 62,476.70, 86,182.81 and 38,289.38

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Solution

The fourth proportional to 62,476.70, 86,182.81 and 38,289.38 is: 52,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,476.70 : 86,182.81 = 38,289.38 : x
  2. Step 2: Convert to fraction form
    62,476.70/86,182.81 = 38,289.38/x
  3. Step 3: Cross multiply
    62,476.70x = 86,182.81 × 38,289.38
  4. Step 4: Simplify right side
    62,476.70x = 3,299,886,669.78
  5. Step 5: Solve for x
    x = 3,299,886,669.78/62,476.70
  6. Step 6: Final answer
    x = 52,817.88

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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.