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Finding the Fourth Proportional to 4,803.70, 7,205.55 and 1,517.05

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Solution

The fourth proportional to 4,803.70, 7,205.55 and 1,517.05 is: 2,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.70 : 7,205.55 = 1,517.05 : x
  2. Step 2: Convert to fraction form
    4,803.70/7,205.55 = 1,517.05/x
  3. Step 3: Cross multiply
    4,803.70x = 7,205.55 × 1,517.05
  4. Step 4: Simplify right side
    4,803.70x = 10,931,179.63
  5. Step 5: Solve for x
    x = 10,931,179.63/4,803.70
  6. Step 6: Final answer
    x = 2,275.58

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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.