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Finding the Fourth Proportional to 21,547.52, 29,735.49 and 12,593.22

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Solution

The fourth proportional to 21,547.52, 29,735.49 and 12,593.22 is: 17,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.52 : 29,735.49 = 12,593.22 : x
  2. Step 2: Convert to fraction form
    21,547.52/29,735.49 = 12,593.22/x
  3. Step 3: Cross multiply
    21,547.52x = 29,735.49 × 12,593.22
  4. Step 4: Simplify right side
    21,547.52x = 374,465,355.73
  5. Step 5: Solve for x
    x = 374,465,355.73/21,547.52
  6. Step 6: Final answer
    x = 17,378.59

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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.