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Finding the Fourth Proportional to 22,393.72, 33,539.52 and 10,715.20

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Solution

The fourth proportional to 22,393.72, 33,539.52 and 10,715.20 is: 16,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.72 : 33,539.52 = 10,715.20 : x
  2. Step 2: Convert to fraction form
    22,393.72/33,539.52 = 10,715.20/x
  3. Step 3: Cross multiply
    22,393.72x = 33,539.52 × 10,715.20
  4. Step 4: Simplify right side
    22,393.72x = 359,382,664.70
  5. Step 5: Solve for x
    x = 359,382,664.70/22,393.72
  6. Step 6: Final answer
    x = 16,048.37

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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.