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Finding the Fourth Proportional to 9,044.56, 13,566.71 and 8,821.20

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Solution

The fourth proportional to 9,044.56, 13,566.71 and 8,821.20 is: 13,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.56 : 13,566.71 = 8,821.20 : x
  2. Step 2: Convert to fraction form
    9,044.56/13,566.71 = 8,821.20/x
  3. Step 3: Cross multiply
    9,044.56x = 13,566.71 × 8,821.20
  4. Step 4: Simplify right side
    9,044.56x = 119,674,618.15
  5. Step 5: Solve for x
    x = 119,674,618.15/9,044.56
  6. Step 6: Final answer
    x = 13,231.68

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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.