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Finding the Fourth Proportional to 38,609.13, 57,923.41 and 10,907.13

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Solution

The fourth proportional to 38,609.13, 57,923.41 and 10,907.13 is: 16,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.13 : 57,923.41 = 10,907.13 : x
  2. Step 2: Convert to fraction form
    38,609.13/57,923.41 = 10,907.13/x
  3. Step 3: Cross multiply
    38,609.13x = 57,923.41 × 10,907.13
  4. Step 4: Simplify right side
    38,609.13x = 631,778,162.91
  5. Step 5: Solve for x
    x = 631,778,162.91/38,609.13
  6. Step 6: Final answer
    x = 16,363.44

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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.