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Finding the Fourth Proportional to 8,599.12, 11,866.56 and 4,873.12

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Solution

The fourth proportional to 8,599.12, 11,866.56 and 4,873.12 is: 6,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.12 : 11,866.56 = 4,873.12 : x
  2. Step 2: Convert to fraction form
    8,599.12/11,866.56 = 4,873.12/x
  3. Step 3: Cross multiply
    8,599.12x = 11,866.56 × 4,873.12
  4. Step 4: Simplify right side
    8,599.12x = 57,827,170.87
  5. Step 5: Solve for x
    x = 57,827,170.87/8,599.12
  6. Step 6: Final answer
    x = 6,724.78

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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.