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Finding the Fourth Proportional to 8,843.85, 13,267.71 and 2,920.48

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Solution

The fourth proportional to 8,843.85, 13,267.71 and 2,920.48 is: 4,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.85 : 13,267.71 = 2,920.48 : x
  2. Step 2: Convert to fraction form
    8,843.85/13,267.71 = 2,920.48/x
  3. Step 3: Cross multiply
    8,843.85x = 13,267.71 × 2,920.48
  4. Step 4: Simplify right side
    8,843.85x = 38,748,048.53
  5. Step 5: Solve for x
    x = 38,748,048.53/8,843.85
  6. Step 6: Final answer
    x = 4,381.36

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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.