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Finding the Fourth Proportional to 43,643.52, 65,488.77 and 17,348.52

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Solution

The fourth proportional to 43,643.52, 65,488.77 and 17,348.52 is: 26,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.52 : 65,488.77 = 17,348.52 : x
  2. Step 2: Convert to fraction form
    43,643.52/65,488.77 = 17,348.52/x
  3. Step 3: Cross multiply
    43,643.52x = 65,488.77 × 17,348.52
  4. Step 4: Simplify right side
    43,643.52x = 1,136,133,236.12
  5. Step 5: Solve for x
    x = 1,136,133,236.12/43,643.52
  6. Step 6: Final answer
    x = 26,032.12

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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.