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Finding the Fourth Proportional to 33,478.65, 46,200.54 and 19,138.79

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Solution

The fourth proportional to 33,478.65, 46,200.54 and 19,138.79 is: 26,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,478.65 : 46,200.54 = 19,138.79 : x
  2. Step 2: Convert to fraction form
    33,478.65/46,200.54 = 19,138.79/x
  3. Step 3: Cross multiply
    33,478.65x = 46,200.54 × 19,138.79
  4. Step 4: Simplify right side
    33,478.65x = 884,222,432.95
  5. Step 5: Solve for x
    x = 884,222,432.95/33,478.65
  6. Step 6: Final answer
    x = 26,411.53

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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.