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Finding the Fourth Proportional to 7,954.32, 10,977.84 and 6,062.64

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Solution

The fourth proportional to 7,954.32, 10,977.84 and 6,062.64 is: 8,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.32 : 10,977.84 = 6,062.64 : x
  2. Step 2: Convert to fraction form
    7,954.32/10,977.84 = 6,062.64/x
  3. Step 3: Cross multiply
    7,954.32x = 10,977.84 × 6,062.64
  4. Step 4: Simplify right side
    7,954.32x = 66,554,691.90
  5. Step 5: Solve for x
    x = 66,554,691.90/7,954.32
  6. Step 6: Final answer
    x = 8,367.11

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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.