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Finding the Fourth Proportional to 8,352.53, 12,528.90 and 2,508.80

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Solution

The fourth proportional to 8,352.53, 12,528.90 and 2,508.80 is: 3,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.53 : 12,528.90 = 2,508.80 : x
  2. Step 2: Convert to fraction form
    8,352.53/12,528.90 = 2,508.80/x
  3. Step 3: Cross multiply
    8,352.53x = 12,528.90 × 2,508.80
  4. Step 4: Simplify right side
    8,352.53x = 31,432,504.32
  5. Step 5: Solve for x
    x = 31,432,504.32/8,352.53
  6. Step 6: Final answer
    x = 3,763.23

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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.