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Finding the Fourth Proportional to 87,311.44, 130,994.50 and 36,737.07

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Solution

The fourth proportional to 87,311.44, 130,994.50 and 36,737.07 is: 55,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,311.44 : 130,994.50 = 36,737.07 : x
  2. Step 2: Convert to fraction form
    87,311.44/130,994.50 = 36,737.07/x
  3. Step 3: Cross multiply
    87,311.44x = 130,994.50 × 36,737.07
  4. Step 4: Simplify right side
    87,311.44x = 4,812,354,116.12
  5. Step 5: Solve for x
    x = 4,812,354,116.12/87,311.44
  6. Step 6: Final answer
    x = 55,117.11

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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.