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Finding the Fourth Proportional to 7,503.70, 11,255.55 and 5,754.10

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Solution

The fourth proportional to 7,503.70, 11,255.55 and 5,754.10 is: 8,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.70 : 11,255.55 = 5,754.10 : x
  2. Step 2: Convert to fraction form
    7,503.70/11,255.55 = 5,754.10/x
  3. Step 3: Cross multiply
    7,503.70x = 11,255.55 × 5,754.10
  4. Step 4: Simplify right side
    7,503.70x = 64,765,560.26
  5. Step 5: Solve for x
    x = 64,765,560.26/7,503.70
  6. Step 6: Final answer
    x = 8,631.15

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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.