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Finding the Fourth Proportional to 61,331.75, 91,967.64 and 25,301.50

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Solution

The fourth proportional to 61,331.75, 91,967.64 and 25,301.50 is: 37,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.75 : 91,967.64 = 25,301.50 : x
  2. Step 2: Convert to fraction form
    61,331.75/91,967.64 = 25,301.50/x
  3. Step 3: Cross multiply
    61,331.75x = 91,967.64 × 25,301.50
  4. Step 4: Simplify right side
    61,331.75x = 2,326,918,657.11
  5. Step 5: Solve for x
    x = 2,326,918,657.11/61,331.75
  6. Step 6: Final answer
    x = 37,939.87

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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.