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Finding the Fourth Proportional to 8,544.10, 12,827.95 and 5,905.10

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Solution

The fourth proportional to 8,544.10, 12,827.95 and 5,905.10 is: 8,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.10 : 12,827.95 = 5,905.10 : x
  2. Step 2: Convert to fraction form
    8,544.10/12,827.95 = 5,905.10/x
  3. Step 3: Cross multiply
    8,544.10x = 12,827.95 × 5,905.10
  4. Step 4: Simplify right side
    8,544.10x = 75,750,327.55
  5. Step 5: Solve for x
    x = 75,750,327.55/8,544.10
  6. Step 6: Final answer
    x = 8,865.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.