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Finding the Fourth Proportional to 34,475.76, 51,711.75 and 9,515.97

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Solution

The fourth proportional to 34,475.76, 51,711.75 and 9,515.97 is: 14,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.76 : 51,711.75 = 9,515.97 : x
  2. Step 2: Convert to fraction form
    34,475.76/51,711.75 = 9,515.97/x
  3. Step 3: Cross multiply
    34,475.76x = 51,711.75 × 9,515.97
  4. Step 4: Simplify right side
    34,475.76x = 492,087,461.65
  5. Step 5: Solve for x
    x = 492,087,461.65/34,475.76
  6. Step 6: Final answer
    x = 14,273.43

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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.