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Finding the Fourth Proportional to 60,947.48, 91,427.70 and 16,574.96

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Solution

The fourth proportional to 60,947.48, 91,427.70 and 16,574.96 is: 24,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,947.48 : 91,427.70 = 16,574.96 : x
  2. Step 2: Convert to fraction form
    60,947.48/91,427.70 = 16,574.96/x
  3. Step 3: Cross multiply
    60,947.48x = 91,427.70 × 16,574.96
  4. Step 4: Simplify right side
    60,947.48x = 1,515,410,470.39
  5. Step 5: Solve for x
    x = 1,515,410,470.39/60,947.48
  6. Step 6: Final answer
    x = 24,864.20

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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.