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Finding the Fourth Proportional to 64,661.59, 97,016.07 and 27,231.08

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Solution

The fourth proportional to 64,661.59, 97,016.07 and 27,231.08 is: 40,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,661.59 : 97,016.07 = 27,231.08 : x
  2. Step 2: Convert to fraction form
    64,661.59/97,016.07 = 27,231.08/x
  3. Step 3: Cross multiply
    64,661.59x = 97,016.07 × 27,231.08
  4. Step 4: Simplify right side
    64,661.59x = 2,641,852,363.46
  5. Step 5: Solve for x
    x = 2,641,852,363.46/64,661.59
  6. Step 6: Final answer
    x = 40,856.60

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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.