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Finding the Fourth Proportional to 64,229.31, 96,277.74 and 26,811.15

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Solution

The fourth proportional to 64,229.31, 96,277.74 and 26,811.15 is: 40,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,229.31 : 96,277.74 = 26,811.15 : x
  2. Step 2: Convert to fraction form
    64,229.31/96,277.74 = 26,811.15/x
  3. Step 3: Cross multiply
    64,229.31x = 96,277.74 × 26,811.15
  4. Step 4: Simplify right side
    64,229.31x = 2,581,316,928.80
  5. Step 5: Solve for x
    x = 2,581,316,928.80/64,229.31
  6. Step 6: Final answer
    x = 40,189.08

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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.