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Finding the Fourth Proportional to 40,282.70, 60,424.05 and 36,200.30

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Solution

The fourth proportional to 40,282.70, 60,424.05 and 36,200.30 is: 54,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.70 : 60,424.05 = 36,200.30 : x
  2. Step 2: Convert to fraction form
    40,282.70/60,424.05 = 36,200.30/x
  3. Step 3: Cross multiply
    40,282.70x = 60,424.05 × 36,200.30
  4. Step 4: Simplify right side
    40,282.70x = 2,187,368,737.22
  5. Step 5: Solve for x
    x = 2,187,368,737.22/40,282.70
  6. Step 6: Final answer
    x = 54,300.45

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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.