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Finding the Fourth Proportional to 8,501.64, 12,747.56 and 3,301.44

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Solution

The fourth proportional to 8,501.64, 12,747.56 and 3,301.44 is: 4,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.64 : 12,747.56 = 3,301.44 : x
  2. Step 2: Convert to fraction form
    8,501.64/12,747.56 = 3,301.44/x
  3. Step 3: Cross multiply
    8,501.64x = 12,747.56 × 3,301.44
  4. Step 4: Simplify right side
    8,501.64x = 42,085,304.49
  5. Step 5: Solve for x
    x = 42,085,304.49/8,501.64
  6. Step 6: Final answer
    x = 4,950.26

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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.