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Finding the Fourth Proportional to 8,512.69, 12,752.43 and 4,803.70

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Solution

The fourth proportional to 8,512.69, 12,752.43 and 4,803.70 is: 7,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.69 : 12,752.43 = 4,803.70 : x
  2. Step 2: Convert to fraction form
    8,512.69/12,752.43 = 4,803.70/x
  3. Step 3: Cross multiply
    8,512.69x = 12,752.43 × 4,803.70
  4. Step 4: Simplify right side
    8,512.69x = 61,258,847.99
  5. Step 5: Solve for x
    x = 61,258,847.99/8,512.69
  6. Step 6: Final answer
    x = 7,196.18

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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.