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Finding the Fourth Proportional to 61,124.36, 91,664.66 and 33,065.16

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Solution

The fourth proportional to 61,124.36, 91,664.66 and 33,065.16 is: 49,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,124.36 : 91,664.66 = 33,065.16 : x
  2. Step 2: Convert to fraction form
    61,124.36/91,664.66 = 33,065.16/x
  3. Step 3: Cross multiply
    61,124.36x = 91,664.66 × 33,065.16
  4. Step 4: Simplify right side
    61,124.36x = 3,030,906,649.25
  5. Step 5: Solve for x
    x = 3,030,906,649.25/61,124.36
  6. Step 6: Final answer
    x = 49,585.90

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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.