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Finding the Fourth Proportional to 17,562.15, 26,353.48 and 7,037.21

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Solution

The fourth proportional to 17,562.15, 26,353.48 and 7,037.21 is: 10,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,562.15 : 26,353.48 = 7,037.21 : x
  2. Step 2: Convert to fraction form
    17,562.15/26,353.48 = 7,037.21/x
  3. Step 3: Cross multiply
    17,562.15x = 26,353.48 × 7,037.21
  4. Step 4: Simplify right side
    17,562.15x = 185,454,972.99
  5. Step 5: Solve for x
    x = 185,454,972.99/17,562.15
  6. Step 6: Final answer
    x = 10,559.92

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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.