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Finding the Fourth Proportional to 34,244.80, 51,376.80 and 16,715.20

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Solution

The fourth proportional to 34,244.80, 51,376.80 and 16,715.20 is: 25,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,244.80 : 51,376.80 = 16,715.20 : x
  2. Step 2: Convert to fraction form
    34,244.80/51,376.80 = 16,715.20/x
  3. Step 3: Cross multiply
    34,244.80x = 51,376.80 × 16,715.20
  4. Step 4: Simplify right side
    34,244.80x = 858,773,487.36
  5. Step 5: Solve for x
    x = 858,773,487.36/34,244.80
  6. Step 6: Final answer
    x = 25,077.49

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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.