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Finding the Fourth Proportional to 38,803.52, 53,555.30 and 22,891.88

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Solution

The fourth proportional to 38,803.52, 53,555.30 and 22,891.88 is: 31,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.52 : 53,555.30 = 22,891.88 : x
  2. Step 2: Convert to fraction form
    38,803.52/53,555.30 = 22,891.88/x
  3. Step 3: Cross multiply
    38,803.52x = 53,555.30 × 22,891.88
  4. Step 4: Simplify right side
    38,803.52x = 1,225,981,500.96
  5. Step 5: Solve for x
    x = 1,225,981,500.96/38,803.52
  6. Step 6: Final answer
    x = 31,594.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.