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Finding the Fourth Proportional to 8,697.96, 12,003.13 and 4,719.11

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Solution

The fourth proportional to 8,697.96, 12,003.13 and 4,719.11 is: 6,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.96 : 12,003.13 = 4,719.11 : x
  2. Step 2: Convert to fraction form
    8,697.96/12,003.13 = 4,719.11/x
  3. Step 3: Cross multiply
    8,697.96x = 12,003.13 × 4,719.11
  4. Step 4: Simplify right side
    8,697.96x = 56,644,049.01
  5. Step 5: Solve for x
    x = 56,644,049.01/8,697.96
  6. Step 6: Final answer
    x = 6,512.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.