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Finding the Fourth Proportional to 5,710.80, 8,566.20 and 5,628.90

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Solution

The fourth proportional to 5,710.80, 8,566.20 and 5,628.90 is: 8,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.80 : 8,566.20 = 5,628.90 : x
  2. Step 2: Convert to fraction form
    5,710.80/8,566.20 = 5,628.90/x
  3. Step 3: Cross multiply
    5,710.80x = 8,566.20 × 5,628.90
  4. Step 4: Simplify right side
    5,710.80x = 48,218,283.18
  5. Step 5: Solve for x
    x = 48,218,283.18/5,710.80
  6. Step 6: Final answer
    x = 8,443.35

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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.