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Finding the Fourth Proportional to 9,244.79, 12,757.79 and 5,265.90

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Solution

The fourth proportional to 9,244.79, 12,757.79 and 5,265.90 is: 7,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,244.79 : 12,757.79 = 5,265.90 : x
  2. Step 2: Convert to fraction form
    9,244.79/12,757.79 = 5,265.90/x
  3. Step 3: Cross multiply
    9,244.79x = 12,757.79 × 5,265.90
  4. Step 4: Simplify right side
    9,244.79x = 67,181,246.36
  5. Step 5: Solve for x
    x = 67,181,246.36/9,244.79
  6. Step 6: Final answer
    x = 7,266.93

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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.