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Finding the Fourth Proportional to 34,411.80, 51,617.70 and 11,040.60

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Solution

The fourth proportional to 34,411.80, 51,617.70 and 11,040.60 is: 16,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,411.80 : 51,617.70 = 11,040.60 : x
  2. Step 2: Convert to fraction form
    34,411.80/51,617.70 = 11,040.60/x
  3. Step 3: Cross multiply
    34,411.80x = 51,617.70 × 11,040.60
  4. Step 4: Simplify right side
    34,411.80x = 569,890,378.62
  5. Step 5: Solve for x
    x = 569,890,378.62/34,411.80
  6. Step 6: Final answer
    x = 16,560.90

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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.