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Finding the Fourth Proportional to 8,695.88, 13,030.40 and 5,873.66

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Solution

The fourth proportional to 8,695.88, 13,030.40 and 5,873.66 is: 8,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.88 : 13,030.40 = 5,873.66 : x
  2. Step 2: Convert to fraction form
    8,695.88/13,030.40 = 5,873.66/x
  3. Step 3: Cross multiply
    8,695.88x = 13,030.40 × 5,873.66
  4. Step 4: Simplify right side
    8,695.88x = 76,536,044.74
  5. Step 5: Solve for x
    x = 76,536,044.74/8,695.88
  6. Step 6: Final answer
    x = 8,801.42

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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.