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Finding the Fourth Proportional to 26,340.41, 36,349.80 and 15,009.41

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Solution

The fourth proportional to 26,340.41, 36,349.80 and 15,009.41 is: 20,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.41 : 36,349.80 = 15,009.41 : x
  2. Step 2: Convert to fraction form
    26,340.41/36,349.80 = 15,009.41/x
  3. Step 3: Cross multiply
    26,340.41x = 36,349.80 × 15,009.41
  4. Step 4: Simplify right side
    26,340.41x = 545,589,051.62
  5. Step 5: Solve for x
    x = 545,589,051.62/26,340.41
  6. Step 6: Final answer
    x = 20,713.01

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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.