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Finding the Fourth Proportional to 8,804.70, 12,148.79 and 5,267.43

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Solution

The fourth proportional to 8,804.70, 12,148.79 and 5,267.43 is: 7,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.70 : 12,148.79 = 5,267.43 : x
  2. Step 2: Convert to fraction form
    8,804.70/12,148.79 = 5,267.43/x
  3. Step 3: Cross multiply
    8,804.70x = 12,148.79 × 5,267.43
  4. Step 4: Simplify right side
    8,804.70x = 63,992,874.57
  5. Step 5: Solve for x
    x = 63,992,874.57/8,804.70
  6. Step 6: Final answer
    x = 7,268.04

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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.