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Finding the Fourth Proportional to 8,843.95, 12,201.11 and 5,656.51

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Solution

The fourth proportional to 8,843.95, 12,201.11 and 5,656.51 is: 7,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.95 : 12,201.11 = 5,656.51 : x
  2. Step 2: Convert to fraction form
    8,843.95/12,201.11 = 5,656.51/x
  3. Step 3: Cross multiply
    8,843.95x = 12,201.11 × 5,656.51
  4. Step 4: Simplify right side
    8,843.95x = 69,015,700.73
  5. Step 5: Solve for x
    x = 69,015,700.73/8,843.95
  6. Step 6: Final answer
    x = 7,803.72

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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.