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Finding the Fourth Proportional to 8,870.57, 13,311.01 and 3,327.77

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Solution

The fourth proportional to 8,870.57, 13,311.01 and 3,327.77 is: 4,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.57 : 13,311.01 = 3,327.77 : x
  2. Step 2: Convert to fraction form
    8,870.57/13,311.01 = 3,327.77/x
  3. Step 3: Cross multiply
    8,870.57x = 13,311.01 × 3,327.77
  4. Step 4: Simplify right side
    8,870.57x = 44,295,963.11
  5. Step 5: Solve for x
    x = 44,295,963.11/8,870.57
  6. Step 6: Final answer
    x = 4,993.59

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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.