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Finding the Fourth Proportional to 10,373.70, 15,560.55 and 7,202.55

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Solution

The fourth proportional to 10,373.70, 15,560.55 and 7,202.55 is: 10,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.70 : 15,560.55 = 7,202.55 : x
  2. Step 2: Convert to fraction form
    10,373.70/15,560.55 = 7,202.55/x
  3. Step 3: Cross multiply
    10,373.70x = 15,560.55 × 7,202.55
  4. Step 4: Simplify right side
    10,373.70x = 112,075,639.40
  5. Step 5: Solve for x
    x = 112,075,639.40/10,373.70
  6. Step 6: Final answer
    x = 10,803.83

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Double scale
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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.