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Finding the Fourth Proportional to 8,549.80, 12,820.57 and 4,043.10

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Solution

The fourth proportional to 8,549.80, 12,820.57 and 4,043.10 is: 6,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.80 : 12,820.57 = 4,043.10 : x
  2. Step 2: Convert to fraction form
    8,549.80/12,820.57 = 4,043.10/x
  3. Step 3: Cross multiply
    8,549.80x = 12,820.57 × 4,043.10
  4. Step 4: Simplify right side
    8,549.80x = 51,834,846.57
  5. Step 5: Solve for x
    x = 51,834,846.57/8,549.80
  6. Step 6: Final answer
    x = 6,062.70

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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.