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Finding the Fourth Proportional to 38,801.80, 58,210.80 and 22,148.20

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Solution

The fourth proportional to 38,801.80, 58,210.80 and 22,148.20 is: 33,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,801.80 : 58,210.80 = 22,148.20 : x
  2. Step 2: Convert to fraction form
    38,801.80/58,210.80 = 22,148.20/x
  3. Step 3: Cross multiply
    38,801.80x = 58,210.80 × 22,148.20
  4. Step 4: Simplify right side
    38,801.80x = 1,289,264,440.56
  5. Step 5: Solve for x
    x = 1,289,264,440.56/38,801.80
  6. Step 6: Final answer
    x = 33,226.92

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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.