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Finding the Fourth Proportional to 60,964.66, 91,457.91 and 21,544.66

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Solution

The fourth proportional to 60,964.66, 91,457.91 and 21,544.66 is: 32,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,964.66 : 91,457.91 = 21,544.66 : x
  2. Step 2: Convert to fraction form
    60,964.66/91,457.91 = 21,544.66/x
  3. Step 3: Cross multiply
    60,964.66x = 91,457.91 × 21,544.66
  4. Step 4: Simplify right side
    60,964.66x = 1,970,429,575.26
  5. Step 5: Solve for x
    x = 1,970,429,575.26/60,964.66
  6. Step 6: Final answer
    x = 32,320.85

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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.