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Finding the Fourth Proportional to 8,417.70, 12,624.21 and 2,495.88

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Solution

The fourth proportional to 8,417.70, 12,624.21 and 2,495.88 is: 3,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.70 : 12,624.21 = 2,495.88 : x
  2. Step 2: Convert to fraction form
    8,417.70/12,624.21 = 2,495.88/x
  3. Step 3: Cross multiply
    8,417.70x = 12,624.21 × 2,495.88
  4. Step 4: Simplify right side
    8,417.70x = 31,508,513.25
  5. Step 5: Solve for x
    x = 31,508,513.25/8,417.70
  6. Step 6: Final answer
    x = 3,743.13

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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.