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Finding the Fourth Proportional to 8,808.66, 12,155.56 and 5,273.82

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Solution

The fourth proportional to 8,808.66, 12,155.56 and 5,273.82 is: 7,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.66 : 12,155.56 = 5,273.82 : x
  2. Step 2: Convert to fraction form
    8,808.66/12,155.56 = 5,273.82/x
  3. Step 3: Cross multiply
    8,808.66x = 12,155.56 × 5,273.82
  4. Step 4: Simplify right side
    8,808.66x = 64,106,235.44
  5. Step 5: Solve for x
    x = 64,106,235.44/8,808.66
  6. Step 6: Final answer
    x = 7,277.64

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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.