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Finding the Fourth Proportional to 34,143.20, 51,214.80 and 33,624.80

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Solution

The fourth proportional to 34,143.20, 51,214.80 and 33,624.80 is: 50,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.20 : 51,214.80 = 33,624.80 : x
  2. Step 2: Convert to fraction form
    34,143.20/51,214.80 = 33,624.80/x
  3. Step 3: Cross multiply
    34,143.20x = 51,214.80 × 33,624.80
  4. Step 4: Simplify right side
    34,143.20x = 1,722,087,407.04
  5. Step 5: Solve for x
    x = 1,722,087,407.04/34,143.20
  6. Step 6: Final answer
    x = 50,437.20

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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.