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Finding the Fourth Proportional to 7,359, 11,035.80 and 2,427.18

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Solution

The fourth proportional to 7,359, 11,035.80 and 2,427.18 is: 3,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359 : 11,035.80 = 2,427.18 : x
  2. Step 2: Convert to fraction form
    7,359/11,035.80 = 2,427.18/x
  3. Step 3: Cross multiply
    7,359x = 11,035.80 × 2,427.18
  4. Step 4: Simplify right side
    7,359x = 26,785,873.04
  5. Step 5: Solve for x
    x = 26,785,873.04/7,359
  6. Step 6: Final answer
    x = 3,639.88

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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.