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Finding the Fourth Proportional to 8,900.88, 12,282.44 and 5,544.08

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Solution

The fourth proportional to 8,900.88, 12,282.44 and 5,544.08 is: 7,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.88 : 12,282.44 = 5,544.08 : x
  2. Step 2: Convert to fraction form
    8,900.88/12,282.44 = 5,544.08/x
  3. Step 3: Cross multiply
    8,900.88x = 12,282.44 × 5,544.08
  4. Step 4: Simplify right side
    8,900.88x = 68,094,829.96
  5. Step 5: Solve for x
    x = 68,094,829.96/8,900.88
  6. Step 6: Final answer
    x = 7,650.35

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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.