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Finding the Fourth Proportional to 34,947.80, 48,228.54 and 19,032.56

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Solution

The fourth proportional to 34,947.80, 48,228.54 and 19,032.56 is: 26,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,947.80 : 48,228.54 = 19,032.56 : x
  2. Step 2: Convert to fraction form
    34,947.80/48,228.54 = 19,032.56/x
  3. Step 3: Cross multiply
    34,947.80x = 48,228.54 × 19,032.56
  4. Step 4: Simplify right side
    34,947.80x = 917,912,581.26
  5. Step 5: Solve for x
    x = 917,912,581.26/34,947.80
  6. Step 6: Final answer
    x = 26,265.25

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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.