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Finding the Fourth Proportional to 26,347.91, 36,361.13 and 15,019.19

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Solution

The fourth proportional to 26,347.91, 36,361.13 and 15,019.19 is: 20,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,347.91 : 36,361.13 = 15,019.19 : x
  2. Step 2: Convert to fraction form
    26,347.91/36,361.13 = 15,019.19/x
  3. Step 3: Cross multiply
    26,347.91x = 36,361.13 × 15,019.19
  4. Step 4: Simplify right side
    26,347.91x = 546,114,644.99
  5. Step 5: Solve for x
    x = 546,114,644.99/26,347.91
  6. Step 6: Final answer
    x = 20,727.06

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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.