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Finding the Fourth Proportional to 7,594.88, 11,391.36 and 2,981.12

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Solution

The fourth proportional to 7,594.88, 11,391.36 and 2,981.12 is: 4,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,594.88 : 11,391.36 = 2,981.12 : x
  2. Step 2: Convert to fraction form
    7,594.88/11,391.36 = 2,981.12/x
  3. Step 3: Cross multiply
    7,594.88x = 11,391.36 × 2,981.12
  4. Step 4: Simplify right side
    7,594.88x = 33,959,011.12
  5. Step 5: Solve for x
    x = 33,959,011.12/7,594.88
  6. Step 6: Final answer
    x = 4,471.30

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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.