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Finding the Fourth Proportional to 66,718.93, 100,062.67 and 24,576.12

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Solution

The fourth proportional to 66,718.93, 100,062.67 and 24,576.12 is: 36,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,718.93 : 100,062.67 = 24,576.12 : x
  2. Step 2: Convert to fraction form
    66,718.93/100,062.67 = 24,576.12/x
  3. Step 3: Cross multiply
    66,718.93x = 100,062.67 × 24,576.12
  4. Step 4: Simplify right side
    66,718.93x = 2,459,152,374.16
  5. Step 5: Solve for x
    x = 2,459,152,374.16/66,718.93
  6. Step 6: Final answer
    x = 36,858.39

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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.