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Finding the Fourth Proportional to 91,015.92, 136,548.48 and 27,838.26

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Solution

The fourth proportional to 91,015.92, 136,548.48 and 27,838.26 is: 41,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,015.92 : 136,548.48 = 27,838.26 : x
  2. Step 2: Convert to fraction form
    91,015.92/136,548.48 = 27,838.26/x
  3. Step 3: Cross multiply
    91,015.92x = 136,548.48 × 27,838.26
  4. Step 4: Simplify right side
    91,015.92x = 3,801,272,088.84
  5. Step 5: Solve for x
    x = 3,801,272,088.84/91,015.92
  6. Step 6: Final answer
    x = 41,764.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.