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Finding the Fourth Proportional to 7,617.67, 11,343.27 and 7,337.42

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Solution

The fourth proportional to 7,617.67, 11,343.27 and 7,337.42 is: 10,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.67 : 11,343.27 = 7,337.42 : x
  2. Step 2: Convert to fraction form
    7,617.67/11,343.27 = 7,337.42/x
  3. Step 3: Cross multiply
    7,617.67x = 11,343.27 × 7,337.42
  4. Step 4: Simplify right side
    7,617.67x = 83,230,242.76
  5. Step 5: Solve for x
    x = 83,230,242.76/7,617.67
  6. Step 6: Final answer
    x = 10,925.95

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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.