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Finding the Fourth Proportional to 66,464.61, 99,696.40 and 16,544.36

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Solution

The fourth proportional to 66,464.61, 99,696.40 and 16,544.36 is: 24,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.61 : 99,696.40 = 16,544.36 : x
  2. Step 2: Convert to fraction form
    66,464.61/99,696.40 = 16,544.36/x
  3. Step 3: Cross multiply
    66,464.61x = 99,696.40 × 16,544.36
  4. Step 4: Simplify right side
    66,464.61x = 1,649,413,340.18
  5. Step 5: Solve for x
    x = 1,649,413,340.18/66,464.61
  6. Step 6: Final answer
    x = 24,816.42

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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.