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Finding the Fourth Proportional to 67,781.67, 93,539.40 and 37,567.67

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Solution

The fourth proportional to 67,781.67, 93,539.40 and 37,567.67 is: 51,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,781.67 : 93,539.40 = 37,567.67 : x
  2. Step 2: Convert to fraction form
    67,781.67/93,539.40 = 37,567.67/x
  3. Step 3: Cross multiply
    67,781.67x = 93,539.40 × 37,567.67
  4. Step 4: Simplify right side
    67,781.67x = 3,514,056,843.50
  5. Step 5: Solve for x
    x = 3,514,056,843.50/67,781.67
  6. Step 6: Final answer
    x = 51,843.76

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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.