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Finding the Fourth Proportional to 67,310.78, 92,889.51 and 37,097.19

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Solution

The fourth proportional to 67,310.78, 92,889.51 and 37,097.19 is: 51,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,310.78 : 92,889.51 = 37,097.19 : x
  2. Step 2: Convert to fraction form
    67,310.78/92,889.51 = 37,097.19/x
  3. Step 3: Cross multiply
    67,310.78x = 92,889.51 × 37,097.19
  4. Step 4: Simplify right side
    67,310.78x = 3,445,939,801.48
  5. Step 5: Solve for x
    x = 3,445,939,801.48/67,310.78
  6. Step 6: Final answer
    x = 51,194.48

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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.