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Finding the Fourth Proportional to 50,801.82, 70,107.07 and 28,141.15

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Solution

The fourth proportional to 50,801.82, 70,107.07 and 28,141.15 is: 38,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.82 : 70,107.07 = 28,141.15 : x
  2. Step 2: Convert to fraction form
    50,801.82/70,107.07 = 28,141.15/x
  3. Step 3: Cross multiply
    50,801.82x = 70,107.07 × 28,141.15
  4. Step 4: Simplify right side
    50,801.82x = 1,972,893,572.93
  5. Step 5: Solve for x
    x = 1,972,893,572.93/50,801.82
  6. Step 6: Final answer
    x = 38,835.10

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1.5x scale

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.