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Finding the Fourth Proportional to 8,244.60, 12,358.80 and 7,369.80

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Solution

The fourth proportional to 8,244.60, 12,358.80 and 7,369.80 is: 11,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.60 : 12,358.80 = 7,369.80 : x
  2. Step 2: Convert to fraction form
    8,244.60/12,358.80 = 7,369.80/x
  3. Step 3: Cross multiply
    8,244.60x = 12,358.80 × 7,369.80
  4. Step 4: Simplify right side
    8,244.60x = 91,081,884.24
  5. Step 5: Solve for x
    x = 91,081,884.24/8,244.60
  6. Step 6: Final answer
    x = 11,047.46

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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.