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Finding the Fourth Proportional to 26,695.86, 36,849.03 and 18,740.04

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Solution

The fourth proportional to 26,695.86, 36,849.03 and 18,740.04 is: 25,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,695.86 : 36,849.03 = 18,740.04 : x
  2. Step 2: Convert to fraction form
    26,695.86/36,849.03 = 18,740.04/x
  3. Step 3: Cross multiply
    26,695.86x = 36,849.03 × 18,740.04
  4. Step 4: Simplify right side
    26,695.86x = 690,552,296.16
  5. Step 5: Solve for x
    x = 690,552,296.16/26,695.86
  6. Step 6: Final answer
    x = 25,867.39

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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.