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Finding the Fourth Proportional to 34,352.80, 51,514.80 and 10,972.96

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Solution

The fourth proportional to 34,352.80, 51,514.80 and 10,972.96 is: 16,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,352.80 : 51,514.80 = 10,972.96 : x
  2. Step 2: Convert to fraction form
    34,352.80/51,514.80 = 10,972.96/x
  3. Step 3: Cross multiply
    34,352.80x = 51,514.80 × 10,972.96
  4. Step 4: Simplify right side
    34,352.80x = 565,269,839.81
  5. Step 5: Solve for x
    x = 565,269,839.81/34,352.80
  6. Step 6: Final answer
    x = 16,454.84

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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.