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Finding the Fourth Proportional to 60,661.36, 91,056.84 and 34,417.36

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Solution

The fourth proportional to 60,661.36, 91,056.84 and 34,417.36 is: 51,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.36 : 91,056.84 = 34,417.36 : x
  2. Step 2: Convert to fraction form
    60,661.36/91,056.84 = 34,417.36/x
  3. Step 3: Cross multiply
    60,661.36x = 91,056.84 × 34,417.36
  4. Step 4: Simplify right side
    60,661.36x = 3,133,936,042.74
  5. Step 5: Solve for x
    x = 3,133,936,042.74/60,661.36
  6. Step 6: Final answer
    x = 51,662.81

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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.