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Finding the Fourth Proportional to 66,551.51, 99,524.05 and 49,696.35

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Solution

The fourth proportional to 66,551.51, 99,524.05 and 49,696.35 is: 74,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.51 : 99,524.05 = 49,696.35 : x
  2. Step 2: Convert to fraction form
    66,551.51/99,524.05 = 49,696.35/x
  3. Step 3: Cross multiply
    66,551.51x = 99,524.05 × 49,696.35
  4. Step 4: Simplify right side
    66,551.51x = 4,945,982,224.36
  5. Step 5: Solve for x
    x = 4,945,982,224.36/66,551.51
  6. Step 6: Final answer
    x = 74,318.11

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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.