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Finding the Fourth Proportional to 5,759.80, 8,638.08 and 1,598.80

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Solution

The fourth proportional to 5,759.80, 8,638.08 and 1,598.80 is: 2,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.80 : 8,638.08 = 1,598.80 : x
  2. Step 2: Convert to fraction form
    5,759.80/8,638.08 = 1,598.80/x
  3. Step 3: Cross multiply
    5,759.80x = 8,638.08 × 1,598.80
  4. Step 4: Simplify right side
    5,759.80x = 13,810,562.30
  5. Step 5: Solve for x
    x = 13,810,562.30/5,759.80
  6. Step 6: Final answer
    x = 2,397.75

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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.