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Finding the Fourth Proportional to 8,599.98, 11,868.46 and 6,471.69

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Solution

The fourth proportional to 8,599.98, 11,868.46 and 6,471.69 is: 8,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.98 : 11,868.46 = 6,471.69 : x
  2. Step 2: Convert to fraction form
    8,599.98/11,868.46 = 6,471.69/x
  3. Step 3: Cross multiply
    8,599.98x = 11,868.46 × 6,471.69
  4. Step 4: Simplify right side
    8,599.98x = 76,808,933.21
  5. Step 5: Solve for x
    x = 76,808,933.21/8,599.98
  6. Step 6: Final answer
    x = 8,931.29

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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.