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Finding the Fourth Proportional to 28,993.41, 40,030.07 and 22,266.95

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Solution

The fourth proportional to 28,993.41, 40,030.07 and 22,266.95 is: 30,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.41 : 40,030.07 = 22,266.95 : x
  2. Step 2: Convert to fraction form
    28,993.41/40,030.07 = 22,266.95/x
  3. Step 3: Cross multiply
    28,993.41x = 40,030.07 × 22,266.95
  4. Step 4: Simplify right side
    28,993.41x = 891,347,255.70
  5. Step 5: Solve for x
    x = 891,347,255.70/28,993.41
  6. Step 6: Final answer
    x = 30,743.10

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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.