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Finding the Fourth Proportional to 8,695.53, 13,058.70 and 8,000.73

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Solution

The fourth proportional to 8,695.53, 13,058.70 and 8,000.73 is: 12,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.53 : 13,058.70 = 8,000.73 : x
  2. Step 2: Convert to fraction form
    8,695.53/13,058.70 = 8,000.73/x
  3. Step 3: Cross multiply
    8,695.53x = 13,058.70 × 8,000.73
  4. Step 4: Simplify right side
    8,695.53x = 104,479,132.85
  5. Step 5: Solve for x
    x = 104,479,132.85/8,695.53
  6. Step 6: Final answer
    x = 12,015.27

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1.5x scale

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.