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Finding the Fourth Proportional to 16,203.47, 22,360.80 and 8,751.47

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Solution

The fourth proportional to 16,203.47, 22,360.80 and 8,751.47 is: 12,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.47 : 22,360.80 = 8,751.47 : x
  2. Step 2: Convert to fraction form
    16,203.47/22,360.80 = 8,751.47/x
  3. Step 3: Cross multiply
    16,203.47x = 22,360.80 × 8,751.47
  4. Step 4: Simplify right side
    16,203.47x = 195,689,758.57
  5. Step 5: Solve for x
    x = 195,689,758.57/16,203.47
  6. Step 6: Final answer
    x = 12,077.03

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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.