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Finding the Fourth Proportional to 26,027.86, 38,978.85 and 14,900.80

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Solution

The fourth proportional to 26,027.86, 38,978.85 and 14,900.80 is: 22,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,027.86 : 38,978.85 = 14,900.80 : x
  2. Step 2: Convert to fraction form
    26,027.86/38,978.85 = 14,900.80/x
  3. Step 3: Cross multiply
    26,027.86x = 38,978.85 × 14,900.80
  4. Step 4: Simplify right side
    26,027.86x = 580,816,048.08
  5. Step 5: Solve for x
    x = 580,816,048.08/26,027.86
  6. Step 6: Final answer
    x = 22,315.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.