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Finding the Fourth Proportional to 5,487.88, 7,568.22 and 4,856.08

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Solution

The fourth proportional to 5,487.88, 7,568.22 and 4,856.08 is: 6,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.88 : 7,568.22 = 4,856.08 : x
  2. Step 2: Convert to fraction form
    5,487.88/7,568.22 = 4,856.08/x
  3. Step 3: Cross multiply
    5,487.88x = 7,568.22 × 4,856.08
  4. Step 4: Simplify right side
    5,487.88x = 36,751,881.78
  5. Step 5: Solve for x
    x = 36,751,881.78/5,487.88
  6. Step 6: Final answer
    x = 6,696.92

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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.