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Finding the Fourth Proportional to 62,797.28, 86,576.46 and 53,806.28

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Solution

The fourth proportional to 62,797.28, 86,576.46 and 53,806.28 is: 74,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,797.28 : 86,576.46 = 53,806.28 : x
  2. Step 2: Convert to fraction form
    62,797.28/86,576.46 = 53,806.28/x
  3. Step 3: Cross multiply
    62,797.28x = 86,576.46 × 53,806.28
  4. Step 4: Simplify right side
    62,797.28x = 4,658,357,248.17
  5. Step 5: Solve for x
    x = 4,658,357,248.17/62,797.28
  6. Step 6: Final answer
    x = 74,180.88

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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.