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Finding the Fourth Proportional to 26,623, 36,739.74 and 15,447.16

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Solution

The fourth proportional to 26,623, 36,739.74 and 15,447.16 is: 21,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623 : 36,739.74 = 15,447.16 : x
  2. Step 2: Convert to fraction form
    26,623/36,739.74 = 15,447.16/x
  3. Step 3: Cross multiply
    26,623x = 36,739.74 × 15,447.16
  4. Step 4: Simplify right side
    26,623x = 567,524,642.14
  5. Step 5: Solve for x
    x = 567,524,642.14/26,623
  6. Step 6: Final answer
    x = 21,317.08

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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.