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Finding the Fourth Proportional to 33,390.95, 46,077.74 and 18,280.71

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Solution

The fourth proportional to 33,390.95, 46,077.74 and 18,280.71 is: 25,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.95 : 46,077.74 = 18,280.71 : x
  2. Step 2: Convert to fraction form
    33,390.95/46,077.74 = 18,280.71/x
  3. Step 3: Cross multiply
    33,390.95x = 46,077.74 × 18,280.71
  4. Step 4: Simplify right side
    33,390.95x = 842,333,710.99
  5. Step 5: Solve for x
    x = 842,333,710.99/33,390.95
  6. Step 6: Final answer
    x = 25,226.41

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