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Finding the Fourth Proportional to 7,017.38, 9,687.95 and 5,596.50

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Solution

The fourth proportional to 7,017.38, 9,687.95 and 5,596.50 is: 7,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.38 : 9,687.95 = 5,596.50 : x
  2. Step 2: Convert to fraction form
    7,017.38/9,687.95 = 5,596.50/x
  3. Step 3: Cross multiply
    7,017.38x = 9,687.95 × 5,596.50
  4. Step 4: Simplify right side
    7,017.38x = 54,218,612.18
  5. Step 5: Solve for x
    x = 54,218,612.18/7,017.38
  6. Step 6: Final answer
    x = 7,726.33

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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.