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Finding the Fourth Proportional to 8,694.70, 13,032.45 and 4,801.90

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Solution

The fourth proportional to 8,694.70, 13,032.45 and 4,801.90 is: 7,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.70 : 13,032.45 = 4,801.90 : x
  2. Step 2: Convert to fraction form
    8,694.70/13,032.45 = 4,801.90/x
  3. Step 3: Cross multiply
    8,694.70x = 13,032.45 × 4,801.90
  4. Step 4: Simplify right side
    8,694.70x = 62,580,521.66
  5. Step 5: Solve for x
    x = 62,580,521.66/8,694.70
  6. Step 6: Final answer
    x = 7,197.55

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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.