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Finding the Fourth Proportional to 7,373.40, 11,060.10 and 2,443.20

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Solution

The fourth proportional to 7,373.40, 11,060.10 and 2,443.20 is: 3,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.40 : 11,060.10 = 2,443.20 : x
  2. Step 2: Convert to fraction form
    7,373.40/11,060.10 = 2,443.20/x
  3. Step 3: Cross multiply
    7,373.40x = 11,060.10 × 2,443.20
  4. Step 4: Simplify right side
    7,373.40x = 27,022,036.32
  5. Step 5: Solve for x
    x = 27,022,036.32/7,373.40
  6. Step 6: Final answer
    x = 3,664.80

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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.