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Finding the Fourth Proportional to 7,959.09, 10,983.80 and 4,422.53

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Solution

The fourth proportional to 7,959.09, 10,983.80 and 4,422.53 is: 6,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.09 : 10,983.80 = 4,422.53 : x
  2. Step 2: Convert to fraction form
    7,959.09/10,983.80 = 4,422.53/x
  3. Step 3: Cross multiply
    7,959.09x = 10,983.80 × 4,422.53
  4. Step 4: Simplify right side
    7,959.09x = 48,576,223.53
  5. Step 5: Solve for x
    x = 48,576,223.53/7,959.09
  6. Step 6: Final answer
    x = 6,103.24

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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.