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Finding the Fourth Proportional to 7,608.10, 11,412.15 and 7,024.90

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Solution

The fourth proportional to 7,608.10, 11,412.15 and 7,024.90 is: 10,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.10 : 11,412.15 = 7,024.90 : x
  2. Step 2: Convert to fraction form
    7,608.10/11,412.15 = 7,024.90/x
  3. Step 3: Cross multiply
    7,608.10x = 11,412.15 × 7,024.90
  4. Step 4: Simplify right side
    7,608.10x = 80,169,212.54
  5. Step 5: Solve for x
    x = 80,169,212.54/7,608.10
  6. Step 6: Final answer
    x = 10,537.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.