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Finding the Fourth Proportional to 8,998.48, 13,497.24 and 2,842

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Solution

The fourth proportional to 8,998.48, 13,497.24 and 2,842 is: 4,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.48 : 13,497.24 = 2,842 : x
  2. Step 2: Convert to fraction form
    8,998.48/13,497.24 = 2,842/x
  3. Step 3: Cross multiply
    8,998.48x = 13,497.24 × 2,842
  4. Step 4: Simplify right side
    8,998.48x = 38,359,156.08
  5. Step 5: Solve for x
    x = 38,359,156.08/8,998.48
  6. Step 6: Final answer
    x = 4,262.85

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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.