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Finding the Fourth Proportional to 70,737.96, 106,104.18 and 23,990.88

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Solution

The fourth proportional to 70,737.96, 106,104.18 and 23,990.88 is: 35,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,737.96 : 106,104.18 = 23,990.88 : x
  2. Step 2: Convert to fraction form
    70,737.96/106,104.18 = 23,990.88/x
  3. Step 3: Cross multiply
    70,737.96x = 106,104.18 × 23,990.88
  4. Step 4: Simplify right side
    70,737.96x = 2,545,532,649.88
  5. Step 5: Solve for x
    x = 2,545,532,649.88/70,737.96
  6. Step 6: Final answer
    x = 35,985.38

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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.