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Finding the Fourth Proportional to 62,950.76, 86,871.38 and 34,655.88

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Solution

The fourth proportional to 62,950.76, 86,871.38 and 34,655.88 is: 47,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,950.76 : 86,871.38 = 34,655.88 : x
  2. Step 2: Convert to fraction form
    62,950.76/86,871.38 = 34,655.88/x
  3. Step 3: Cross multiply
    62,950.76x = 86,871.38 × 34,655.88
  4. Step 4: Simplify right side
    62,950.76x = 3,010,604,120.71
  5. Step 5: Solve for x
    x = 3,010,604,120.71/62,950.76
  6. Step 6: Final answer
    x = 47,824.75

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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.