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Finding the Fourth Proportional to 66,929.66, 92,361.32 and 36,714.71

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Solution

The fourth proportional to 66,929.66, 92,361.32 and 36,714.71 is: 50,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,929.66 : 92,361.32 = 36,714.71 : x
  2. Step 2: Convert to fraction form
    66,929.66/92,361.32 = 36,714.71/x
  3. Step 3: Cross multiply
    66,929.66x = 92,361.32 × 36,714.71
  4. Step 4: Simplify right side
    66,929.66x = 3,391,018,433.64
  5. Step 5: Solve for x
    x = 3,391,018,433.64/66,929.66
  6. Step 6: Final answer
    x = 50,665.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.