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Finding the Fourth Proportional to 8,330.64, 11,506.02 and 6,559.98

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Solution

The fourth proportional to 8,330.64, 11,506.02 and 6,559.98 is: 9,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.64 : 11,506.02 = 6,559.98 : x
  2. Step 2: Convert to fraction form
    8,330.64/11,506.02 = 6,559.98/x
  3. Step 3: Cross multiply
    8,330.64x = 11,506.02 × 6,559.98
  4. Step 4: Simplify right side
    8,330.64x = 75,479,170.75
  5. Step 5: Solve for x
    x = 75,479,170.75/8,330.64
  6. Step 6: Final answer
    x = 9,060.43

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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.