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Finding the Fourth Proportional to 7,348.59, 10,976.40 and 6,922.11

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Solution

The fourth proportional to 7,348.59, 10,976.40 and 6,922.11 is: 10,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.59 : 10,976.40 = 6,922.11 : x
  2. Step 2: Convert to fraction form
    7,348.59/10,976.40 = 6,922.11/x
  3. Step 3: Cross multiply
    7,348.59x = 10,976.40 × 6,922.11
  4. Step 4: Simplify right side
    7,348.59x = 75,979,848.20
  5. Step 5: Solve for x
    x = 75,979,848.20/7,348.59
  6. Step 6: Final answer
    x = 10,339.38

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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.