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Finding the Fourth Proportional to 8,827.80, 12,183.44 and 5,101.80

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Solution

The fourth proportional to 8,827.80, 12,183.44 and 5,101.80 is: 7,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.80 : 12,183.44 = 5,101.80 : x
  2. Step 2: Convert to fraction form
    8,827.80/12,183.44 = 5,101.80/x
  3. Step 3: Cross multiply
    8,827.80x = 12,183.44 × 5,101.80
  4. Step 4: Simplify right side
    8,827.80x = 62,157,474.19
  5. Step 5: Solve for x
    x = 62,157,474.19/8,827.80
  6. Step 6: Final answer
    x = 7,041.11

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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.