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Finding the Fourth Proportional to 7,368.98, 11,044.76 and 7,286.76

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Solution

The fourth proportional to 7,368.98, 11,044.76 and 7,286.76 is: 10,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.98 : 11,044.76 = 7,286.76 : x
  2. Step 2: Convert to fraction form
    7,368.98/11,044.76 = 7,286.76/x
  3. Step 3: Cross multiply
    7,368.98x = 11,044.76 × 7,286.76
  4. Step 4: Simplify right side
    7,368.98x = 80,480,478.94
  5. Step 5: Solve for x
    x = 80,480,478.94/7,368.98
  6. Step 6: Final answer
    x = 10,921.53

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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.