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Finding the Fourth Proportional to 8,512.61, 11,747.23 and 4,735.70

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Solution

The fourth proportional to 8,512.61, 11,747.23 and 4,735.70 is: 6,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.61 : 11,747.23 = 4,735.70 : x
  2. Step 2: Convert to fraction form
    8,512.61/11,747.23 = 4,735.70/x
  3. Step 3: Cross multiply
    8,512.61x = 11,747.23 × 4,735.70
  4. Step 4: Simplify right side
    8,512.61x = 55,631,357.11
  5. Step 5: Solve for x
    x = 55,631,357.11/8,512.61
  6. Step 6: Final answer
    x = 6,535.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.