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Finding the Fourth Proportional to 86,001, 129,006.36 and 30,597

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Solution

The fourth proportional to 86,001, 129,006.36 and 30,597 is: 45,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,001 : 129,006.36 = 30,597 : x
  2. Step 2: Convert to fraction form
    86,001/129,006.36 = 30,597/x
  3. Step 3: Cross multiply
    86,001x = 129,006.36 × 30,597
  4. Step 4: Simplify right side
    86,001x = 3,947,207,596.92
  5. Step 5: Solve for x
    x = 3,947,207,596.92/86,001
  6. Step 6: Final answer
    x = 45,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.