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Finding the Fourth Proportional to 43,216.53, 64,824.12 and 26,354.49

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Solution

The fourth proportional to 43,216.53, 64,824.12 and 26,354.49 is: 39,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.53 : 64,824.12 = 26,354.49 : x
  2. Step 2: Convert to fraction form
    43,216.53/64,824.12 = 26,354.49/x
  3. Step 3: Cross multiply
    43,216.53x = 64,824.12 × 26,354.49
  4. Step 4: Simplify right side
    43,216.53x = 1,708,406,622.30
  5. Step 5: Solve for x
    x = 1,708,406,622.30/43,216.53
  6. Step 6: Final answer
    x = 39,531.32

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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.