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Finding the Fourth Proportional to 7,774.55, 10,732.83 and 5,269.88

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Solution

The fourth proportional to 7,774.55, 10,732.83 and 5,269.88 is: 7,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.55 : 10,732.83 = 5,269.88 : x
  2. Step 2: Convert to fraction form
    7,774.55/10,732.83 = 5,269.88/x
  3. Step 3: Cross multiply
    7,774.55x = 10,732.83 × 5,269.88
  4. Step 4: Simplify right side
    7,774.55x = 56,560,726.16
  5. Step 5: Solve for x
    x = 56,560,726.16/7,774.55
  6. Step 6: Final answer
    x = 7,275.11

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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.