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Finding the Fourth Proportional to 7,154.80, 10,732.20 and 7,033.30

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Solution

The fourth proportional to 7,154.80, 10,732.20 and 7,033.30 is: 10,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.80 : 10,732.20 = 7,033.30 : x
  2. Step 2: Convert to fraction form
    7,154.80/10,732.20 = 7,033.30/x
  3. Step 3: Cross multiply
    7,154.80x = 10,732.20 × 7,033.30
  4. Step 4: Simplify right side
    7,154.80x = 75,482,782.26
  5. Step 5: Solve for x
    x = 75,482,782.26/7,154.80
  6. Step 6: Final answer
    x = 10,549.95

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Similar ratio
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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.