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Finding the Fourth Proportional to 5,266.77, 7,900.15 and 1,568.90

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Solution

The fourth proportional to 5,266.77, 7,900.15 and 1,568.90 is: 2,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.77 : 7,900.15 = 1,568.90 : x
  2. Step 2: Convert to fraction form
    5,266.77/7,900.15 = 1,568.90/x
  3. Step 3: Cross multiply
    5,266.77x = 7,900.15 × 1,568.90
  4. Step 4: Simplify right side
    5,266.77x = 12,394,537.47
  5. Step 5: Solve for x
    x = 12,394,537.47/5,266.77
  6. Step 6: Final answer
    x = 2,353.35

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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.