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Finding the Fourth Proportional to 34,240.80, 51,274.80 and 22,490.40

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Solution

The fourth proportional to 34,240.80, 51,274.80 and 22,490.40 is: 33,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240.80 : 51,274.80 = 22,490.40 : x
  2. Step 2: Convert to fraction form
    34,240.80/51,274.80 = 22,490.40/x
  3. Step 3: Cross multiply
    34,240.80x = 51,274.80 × 22,490.40
  4. Step 4: Simplify right side
    34,240.80x = 1,153,190,761.92
  5. Step 5: Solve for x
    x = 1,153,190,761.92/34,240.80
  6. Step 6: Final answer
    x = 33,678.85

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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.