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Finding the Fourth Proportional to 60,488.94, 83,474.31 and 33,631.23

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Solution

The fourth proportional to 60,488.94, 83,474.31 and 33,631.23 is: 46,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,488.94 : 83,474.31 = 33,631.23 : x
  2. Step 2: Convert to fraction form
    60,488.94/83,474.31 = 33,631.23/x
  3. Step 3: Cross multiply
    60,488.94x = 83,474.31 × 33,631.23
  4. Step 4: Simplify right side
    60,488.94x = 2,807,343,718.70
  5. Step 5: Solve for x
    x = 2,807,343,718.70/60,488.94
  6. Step 6: Final answer
    x = 46,410.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.