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Finding the Fourth Proportional to 33,872.30, 50,810.05 and 10,515.10

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Solution

The fourth proportional to 33,872.30, 50,810.05 and 10,515.10 is: 15,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.30 : 50,810.05 = 10,515.10 : x
  2. Step 2: Convert to fraction form
    33,872.30/50,810.05 = 10,515.10/x
  3. Step 3: Cross multiply
    33,872.30x = 50,810.05 × 10,515.10
  4. Step 4: Simplify right side
    33,872.30x = 534,272,756.76
  5. Step 5: Solve for x
    x = 534,272,756.76/33,872.30
  6. Step 6: Final answer
    x = 15,773.15

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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.