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Finding the Fourth Proportional to 16,687.20, 25,030.80 and 14,062.80

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Solution

The fourth proportional to 16,687.20, 25,030.80 and 14,062.80 is: 21,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.20 : 25,030.80 = 14,062.80 : x
  2. Step 2: Convert to fraction form
    16,687.20/25,030.80 = 14,062.80/x
  3. Step 3: Cross multiply
    16,687.20x = 25,030.80 × 14,062.80
  4. Step 4: Simplify right side
    16,687.20x = 352,003,134.24
  5. Step 5: Solve for x
    x = 352,003,134.24/16,687.20
  6. Step 6: Final answer
    x = 21,094.20

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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.