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Finding the Fourth Proportional to 48,800.40, 73,200.60 and 40,927.20

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Solution

The fourth proportional to 48,800.40, 73,200.60 and 40,927.20 is: 61,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,800.40 : 73,200.60 = 40,927.20 : x
  2. Step 2: Convert to fraction form
    48,800.40/73,200.60 = 40,927.20/x
  3. Step 3: Cross multiply
    48,800.40x = 73,200.60 × 40,927.20
  4. Step 4: Simplify right side
    48,800.40x = 2,995,895,596.32
  5. Step 5: Solve for x
    x = 2,995,895,596.32/48,800.40
  6. Step 6: Final answer
    x = 61,390.80

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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.