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Finding the Fourth Proportional to 8,944.40, 12,337.80 and 5,800.60

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Solution

The fourth proportional to 8,944.40, 12,337.80 and 5,800.60 is: 8,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.40 : 12,337.80 = 5,800.60 : x
  2. Step 2: Convert to fraction form
    8,944.40/12,337.80 = 5,800.60/x
  3. Step 3: Cross multiply
    8,944.40x = 12,337.80 × 5,800.60
  4. Step 4: Simplify right side
    8,944.40x = 71,566,642.68
  5. Step 5: Solve for x
    x = 71,566,642.68/8,944.40
  6. Step 6: Final answer
    x = 8,001.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.