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Finding the Fourth Proportional to 66,467.76, 99,721.08 and 24,918

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Solution

The fourth proportional to 66,467.76, 99,721.08 and 24,918 is: 37,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.76 : 99,721.08 = 24,918 : x
  2. Step 2: Convert to fraction form
    66,467.76/99,721.08 = 24,918/x
  3. Step 3: Cross multiply
    66,467.76x = 99,721.08 × 24,918
  4. Step 4: Simplify right side
    66,467.76x = 2,484,849,871.44
  5. Step 5: Solve for x
    x = 2,484,849,871.44/66,467.76
  6. Step 6: Final answer
    x = 37,384.29

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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.