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Finding the Fourth Proportional to 60,656.99, 91,001.97 and 34,380.20

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Solution

The fourth proportional to 60,656.99, 91,001.97 and 34,380.20 is: 51,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,656.99 : 91,001.97 = 34,380.20 : x
  2. Step 2: Convert to fraction form
    60,656.99/91,001.97 = 34,380.20/x
  3. Step 3: Cross multiply
    60,656.99x = 91,001.97 × 34,380.20
  4. Step 4: Simplify right side
    60,656.99x = 3,128,665,928.99
  5. Step 5: Solve for x
    x = 3,128,665,928.99/60,656.99
  6. Step 6: Final answer
    x = 51,579.64

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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.