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Finding the Fourth Proportional to 8,874.03, 13,312.32 and 2,948.91

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Solution

The fourth proportional to 8,874.03, 13,312.32 and 2,948.91 is: 4,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.03 : 13,312.32 = 2,948.91 : x
  2. Step 2: Convert to fraction form
    8,874.03/13,312.32 = 2,948.91/x
  3. Step 3: Cross multiply
    8,874.03x = 13,312.32 × 2,948.91
  4. Step 4: Simplify right side
    8,874.03x = 39,256,833.57
  5. Step 5: Solve for x
    x = 39,256,833.57/8,874.03
  6. Step 6: Final answer
    x = 4,423.79

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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.