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Finding the Fourth Proportional to 9,596.40, 13,242.06 and 7,079.88

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Solution

The fourth proportional to 9,596.40, 13,242.06 and 7,079.88 is: 9,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,596.40 : 13,242.06 = 7,079.88 : x
  2. Step 2: Convert to fraction form
    9,596.40/13,242.06 = 7,079.88/x
  3. Step 3: Cross multiply
    9,596.40x = 13,242.06 × 7,079.88
  4. Step 4: Simplify right side
    9,596.40x = 93,752,195.75
  5. Step 5: Solve for x
    x = 93,752,195.75/9,596.40
  6. Step 6: Final answer
    x = 9,769.52

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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.