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Finding the Fourth Proportional to 29,643.76, 40,918.68 and 17,073.52

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Solution

The fourth proportional to 29,643.76, 40,918.68 and 17,073.52 is: 23,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.76 : 40,918.68 = 17,073.52 : x
  2. Step 2: Convert to fraction form
    29,643.76/40,918.68 = 17,073.52/x
  3. Step 3: Cross multiply
    29,643.76x = 40,918.68 × 17,073.52
  4. Step 4: Simplify right side
    29,643.76x = 698,625,901.35
  5. Step 5: Solve for x
    x = 698,625,901.35/29,643.76
  6. Step 6: Final answer
    x = 23,567.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.