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Finding the Fourth Proportional to 43,296.91, 64,949.04 and 15,214.53

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Solution

The fourth proportional to 43,296.91, 64,949.04 and 15,214.53 is: 22,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,296.91 : 64,949.04 = 15,214.53 : x
  2. Step 2: Convert to fraction form
    43,296.91/64,949.04 = 15,214.53/x
  3. Step 3: Cross multiply
    43,296.91x = 64,949.04 × 15,214.53
  4. Step 4: Simplify right side
    43,296.91x = 988,169,041.48
  5. Step 5: Solve for x
    x = 988,169,041.48/43,296.91
  6. Step 6: Final answer
    x = 22,823.09

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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.