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Finding the Fourth Proportional to 8,500.88, 11,731.92 and 4,724.40

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Solution

The fourth proportional to 8,500.88, 11,731.92 and 4,724.40 is: 6,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.88 : 11,731.92 = 4,724.40 : x
  2. Step 2: Convert to fraction form
    8,500.88/11,731.92 = 4,724.40/x
  3. Step 3: Cross multiply
    8,500.88x = 11,731.92 × 4,724.40
  4. Step 4: Simplify right side
    8,500.88x = 55,426,282.85
  5. Step 5: Solve for x
    x = 55,426,282.85/8,500.88
  6. Step 6: Final answer
    x = 6,520.06

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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.