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Finding the Fourth Proportional to 17,739.70, 26,649.15 and 14,823.70

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Solution

The fourth proportional to 17,739.70, 26,649.15 and 14,823.70 is: 22,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.70 : 26,649.15 = 14,823.70 : x
  2. Step 2: Convert to fraction form
    17,739.70/26,649.15 = 14,823.70/x
  3. Step 3: Cross multiply
    17,739.70x = 26,649.15 × 14,823.70
  4. Step 4: Simplify right side
    17,739.70x = 395,039,004.86
  5. Step 5: Solve for x
    x = 395,039,004.86/17,739.70
  6. Step 6: Final answer
    x = 22,268.64

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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.