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Finding the Fourth Proportional to 67,699.54, 93,425.29 and 37,891.54

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Solution

The fourth proportional to 67,699.54, 93,425.29 and 37,891.54 is: 52,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.54 : 93,425.29 = 37,891.54 : x
  2. Step 2: Convert to fraction form
    67,699.54/93,425.29 = 37,891.54/x
  3. Step 3: Cross multiply
    67,699.54x = 93,425.29 × 37,891.54
  4. Step 4: Simplify right side
    67,699.54x = 3,540,028,113.05
  5. Step 5: Solve for x
    x = 3,540,028,113.05/67,699.54
  6. Step 6: Final answer
    x = 52,290.28

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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.