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Finding the Fourth Proportional to 74,993.64, 112,521.51 and 32,851.95

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Solution

The fourth proportional to 74,993.64, 112,521.51 and 32,851.95 is: 49,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.64 : 112,521.51 = 32,851.95 : x
  2. Step 2: Convert to fraction form
    74,993.64/112,521.51 = 32,851.95/x
  3. Step 3: Cross multiply
    74,993.64x = 112,521.51 × 32,851.95
  4. Step 4: Simplify right side
    74,993.64x = 3,696,551,020.44
  5. Step 5: Solve for x
    x = 3,696,551,020.44/74,993.64
  6. Step 6: Final answer
    x = 49,291.53

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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.