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Finding the Fourth Proportional to 8,223.75, 12,335.76 and 3,606.75

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Solution

The fourth proportional to 8,223.75, 12,335.76 and 3,606.75 is: 5,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.75 : 12,335.76 = 3,606.75 : x
  2. Step 2: Convert to fraction form
    8,223.75/12,335.76 = 3,606.75/x
  3. Step 3: Cross multiply
    8,223.75x = 12,335.76 × 3,606.75
  4. Step 4: Simplify right side
    8,223.75x = 44,492,002.38
  5. Step 5: Solve for x
    x = 44,492,002.38/8,223.75
  6. Step 6: Final answer
    x = 5,410.18

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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.