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Finding the Fourth Proportional to 71,365.41, 107,049.84 and 23,981.18

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Solution

The fourth proportional to 71,365.41, 107,049.84 and 23,981.18 is: 35,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.41 : 107,049.84 = 23,981.18 : x
  2. Step 2: Convert to fraction form
    71,365.41/107,049.84 = 23,981.18/x
  3. Step 3: Cross multiply
    71,365.41x = 107,049.84 × 23,981.18
  4. Step 4: Simplify right side
    71,365.41x = 2,567,180,946.76
  5. Step 5: Solve for x
    x = 2,567,180,946.76/71,365.41
  6. Step 6: Final answer
    x = 35,972.34

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1.5x scale

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.