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Finding the Fourth Proportional to 58,361.91, 80,547.12 and 32,873.28

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Solution

The fourth proportional to 58,361.91, 80,547.12 and 32,873.28 is: 45,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.91 : 80,547.12 = 32,873.28 : x
  2. Step 2: Convert to fraction form
    58,361.91/80,547.12 = 32,873.28/x
  3. Step 3: Cross multiply
    58,361.91x = 80,547.12 × 32,873.28
  4. Step 4: Simplify right side
    58,361.91x = 2,647,848,028.95
  5. Step 5: Solve for x
    x = 2,647,848,028.95/58,361.91
  6. Step 6: Final answer
    x = 45,369.45

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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.