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Finding the Fourth Proportional to 6,715.42, 10,080.42 and 4,954.90

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Solution

The fourth proportional to 6,715.42, 10,080.42 and 4,954.90 is: 7,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.42 : 10,080.42 = 4,954.90 : x
  2. Step 2: Convert to fraction form
    6,715.42/10,080.42 = 4,954.90/x
  3. Step 3: Cross multiply
    6,715.42x = 10,080.42 × 4,954.90
  4. Step 4: Simplify right side
    6,715.42x = 49,947,473.06
  5. Step 5: Solve for x
    x = 49,947,473.06/6,715.42
  6. Step 6: Final answer
    x = 7,437.73

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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.