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Finding the Fourth Proportional to 26,646.25, 36,775.47 and 15,468.25

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Solution

The fourth proportional to 26,646.25, 36,775.47 and 15,468.25 is: 21,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.25 : 36,775.47 = 15,468.25 : x
  2. Step 2: Convert to fraction form
    26,646.25/36,775.47 = 15,468.25/x
  3. Step 3: Cross multiply
    26,646.25x = 36,775.47 × 15,468.25
  4. Step 4: Simplify right side
    26,646.25x = 568,852,163.83
  5. Step 5: Solve for x
    x = 568,852,163.83/26,646.25
  6. Step 6: Final answer
    x = 21,348.30

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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.