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Finding the Fourth Proportional to 14,454.80, 21,676.80 and 10,059.20

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Solution

The fourth proportional to 14,454.80, 21,676.80 and 10,059.20 is: 15,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.80 : 21,676.80 = 10,059.20 : x
  2. Step 2: Convert to fraction form
    14,454.80/21,676.80 = 10,059.20/x
  3. Step 3: Cross multiply
    14,454.80x = 21,676.80 × 10,059.20
  4. Step 4: Simplify right side
    14,454.80x = 218,051,266.56
  5. Step 5: Solve for x
    x = 218,051,266.56/14,454.80
  6. Step 6: Final answer
    x = 15,085.04

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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.