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Finding the Fourth Proportional to 5,189.52, 7,751.18 and 4,695.17

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Solution

The fourth proportional to 5,189.52, 7,751.18 and 4,695.17 is: 7,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.52 : 7,751.18 = 4,695.17 : x
  2. Step 2: Convert to fraction form
    5,189.52/7,751.18 = 4,695.17/x
  3. Step 3: Cross multiply
    5,189.52x = 7,751.18 × 4,695.17
  4. Step 4: Simplify right side
    5,189.52x = 36,393,045.57
  5. Step 5: Solve for x
    x = 36,393,045.57/5,189.52
  6. Step 6: Final answer
    x = 7,012.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.