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Finding the Fourth Proportional to 67,101.33, 92,600.03 and 38,421.42

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Solution

The fourth proportional to 67,101.33, 92,600.03 and 38,421.42 is: 53,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,101.33 : 92,600.03 = 38,421.42 : x
  2. Step 2: Convert to fraction form
    67,101.33/92,600.03 = 38,421.42/x
  3. Step 3: Cross multiply
    67,101.33x = 92,600.03 × 38,421.42
  4. Step 4: Simplify right side
    67,101.33x = 3,557,824,452.54
  5. Step 5: Solve for x
    x = 3,557,824,452.54/67,101.33
  6. Step 6: Final answer
    x = 53,021.67

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Half scale
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Double scale
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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.