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Finding the Fourth Proportional to 7,959.08, 10,983.54 and 4,422.32

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Solution

The fourth proportional to 7,959.08, 10,983.54 and 4,422.32 is: 6,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.08 : 10,983.54 = 4,422.32 : x
  2. Step 2: Convert to fraction form
    7,959.08/10,983.54 = 4,422.32/x
  3. Step 3: Cross multiply
    7,959.08x = 10,983.54 × 4,422.32
  4. Step 4: Simplify right side
    7,959.08x = 48,572,728.61
  5. Step 5: Solve for x
    x = 48,572,728.61/7,959.08
  6. Step 6: Final answer
    x = 6,102.81

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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.