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Finding the Fourth Proportional to 7,080.54, 9,767.16 and 4,247.16

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Solution

The fourth proportional to 7,080.54, 9,767.16 and 4,247.16 is: 5,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.54 : 9,767.16 = 4,247.16 : x
  2. Step 2: Convert to fraction form
    7,080.54/9,767.16 = 4,247.16/x
  3. Step 3: Cross multiply
    7,080.54x = 9,767.16 × 4,247.16
  4. Step 4: Simplify right side
    7,080.54x = 41,482,691.27
  5. Step 5: Solve for x
    x = 41,482,691.27/7,080.54
  6. Step 6: Final answer
    x = 5,858.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.