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Finding the Fourth Proportional to 71,289.62, 98,401.59 and 41,095.13

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Solution

The fourth proportional to 71,289.62, 98,401.59 and 41,095.13 is: 56,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,289.62 : 98,401.59 = 41,095.13 : x
  2. Step 2: Convert to fraction form
    71,289.62/98,401.59 = 41,095.13/x
  3. Step 3: Cross multiply
    71,289.62x = 98,401.59 × 41,095.13
  4. Step 4: Simplify right side
    71,289.62x = 4,043,825,927.78
  5. Step 5: Solve for x
    x = 4,043,825,927.78/71,289.62
  6. Step 6: Final answer
    x = 56,723.91

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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.