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Finding the Fourth Proportional to 10,367.30, 15,550.95 and 6,868.10

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Solution

The fourth proportional to 10,367.30, 15,550.95 and 6,868.10 is: 10,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.30 : 15,550.95 = 6,868.10 : x
  2. Step 2: Convert to fraction form
    10,367.30/15,550.95 = 6,868.10/x
  3. Step 3: Cross multiply
    10,367.30x = 15,550.95 × 6,868.10
  4. Step 4: Simplify right side
    10,367.30x = 106,805,479.70
  5. Step 5: Solve for x
    x = 106,805,479.70/10,367.30
  6. Step 6: Final answer
    x = 10,302.15

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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.