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Finding the Fourth Proportional to 74,993.53, 112,521.56 and 32,903.86

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Solution

The fourth proportional to 74,993.53, 112,521.56 and 32,903.86 is: 49,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.53 : 112,521.56 = 32,903.86 : x
  2. Step 2: Convert to fraction form
    74,993.53/112,521.56 = 32,903.86/x
  3. Step 3: Cross multiply
    74,993.53x = 112,521.56 × 32,903.86
  4. Step 4: Simplify right side
    74,993.53x = 3,702,393,264.14
  5. Step 5: Solve for x
    x = 3,702,393,264.14/74,993.53
  6. Step 6: Final answer
    x = 49,369.51

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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.