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Finding the Fourth Proportional to 20,062.80, 30,094.20 and 14,101.20

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Solution

The fourth proportional to 20,062.80, 30,094.20 and 14,101.20 is: 21,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.80 : 30,094.20 = 14,101.20 : x
  2. Step 2: Convert to fraction form
    20,062.80/30,094.20 = 14,101.20/x
  3. Step 3: Cross multiply
    20,062.80x = 30,094.20 × 14,101.20
  4. Step 4: Simplify right side
    20,062.80x = 424,364,333.04
  5. Step 5: Solve for x
    x = 424,364,333.04/20,062.80
  6. Step 6: Final answer
    x = 21,151.80

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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.