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Finding the Fourth Proportional to 71,329.66, 98,433.98 and 39,063.92

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Solution

The fourth proportional to 71,329.66, 98,433.98 and 39,063.92 is: 53,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.66 : 98,433.98 = 39,063.92 : x
  2. Step 2: Convert to fraction form
    71,329.66/98,433.98 = 39,063.92/x
  3. Step 3: Cross multiply
    71,329.66x = 98,433.98 × 39,063.92
  4. Step 4: Simplify right side
    71,329.66x = 3,845,217,120.00
  5. Step 5: Solve for x
    x = 3,845,217,120.00/71,329.66
  6. Step 6: Final answer
    x = 53,907.69

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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.