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Finding the Fourth Proportional to 18,572.52, 27,881.10 and 14,680.20

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Solution

The fourth proportional to 18,572.52, 27,881.10 and 14,680.20 is: 22,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.52 : 27,881.10 = 14,680.20 : x
  2. Step 2: Convert to fraction form
    18,572.52/27,881.10 = 14,680.20/x
  3. Step 3: Cross multiply
    18,572.52x = 27,881.10 × 14,680.20
  4. Step 4: Simplify right side
    18,572.52x = 409,300,124.22
  5. Step 5: Solve for x
    x = 409,300,124.22/18,572.52
  6. Step 6: Final answer
    x = 22,037.94

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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.