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Finding the Fourth Proportional to 7,240.66, 10,844.21 and 6,174.90

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Solution

The fourth proportional to 7,240.66, 10,844.21 and 6,174.90 is: 9,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.66 : 10,844.21 = 6,174.90 : x
  2. Step 2: Convert to fraction form
    7,240.66/10,844.21 = 6,174.90/x
  3. Step 3: Cross multiply
    7,240.66x = 10,844.21 × 6,174.90
  4. Step 4: Simplify right side
    7,240.66x = 66,961,927.77
  5. Step 5: Solve for x
    x = 66,961,927.77/7,240.66
  6. Step 6: Final answer
    x = 9,248.05

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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.