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Finding the Fourth Proportional to 63,013.65, 86,960.43 and 34,719.33

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Solution

The fourth proportional to 63,013.65, 86,960.43 and 34,719.33 is: 47,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013.65 : 86,960.43 = 34,719.33 : x
  2. Step 2: Convert to fraction form
    63,013.65/86,960.43 = 34,719.33/x
  3. Step 3: Cross multiply
    63,013.65x = 86,960.43 × 34,719.33
  4. Step 4: Simplify right side
    63,013.65x = 3,019,207,866.11
  5. Step 5: Solve for x
    x = 3,019,207,866.11/63,013.65
  6. Step 6: Final answer
    x = 47,913.55

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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.