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Finding the Fourth Proportional to 9,602.96, 13,247.01 and 6,613.65

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Solution

The fourth proportional to 9,602.96, 13,247.01 and 6,613.65 is: 9,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,602.96 : 13,247.01 = 6,613.65 : x
  2. Step 2: Convert to fraction form
    9,602.96/13,247.01 = 6,613.65/x
  3. Step 3: Cross multiply
    9,602.96x = 13,247.01 × 6,613.65
  4. Step 4: Simplify right side
    9,602.96x = 87,611,087.69
  5. Step 5: Solve for x
    x = 87,611,087.69/9,602.96
  6. Step 6: Final answer
    x = 9,123.35

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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.