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Finding the Fourth Proportional to 67,527.78, 101,303.55 and 25,971.54

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Solution

The fourth proportional to 67,527.78, 101,303.55 and 25,971.54 is: 38,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,527.78 : 101,303.55 = 25,971.54 : x
  2. Step 2: Convert to fraction form
    67,527.78/101,303.55 = 25,971.54/x
  3. Step 3: Cross multiply
    67,527.78x = 101,303.55 × 25,971.54
  4. Step 4: Simplify right side
    67,527.78x = 2,631,009,200.97
  5. Step 5: Solve for x
    x = 2,631,009,200.97/67,527.78
  6. Step 6: Final answer
    x = 38,961.88

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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.