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Finding the Fourth Proportional to 31,560.58, 43,550.58 and 17,412.51

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Solution

The fourth proportional to 31,560.58, 43,550.58 and 17,412.51 is: 24,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.58 : 43,550.58 = 17,412.51 : x
  2. Step 2: Convert to fraction form
    31,560.58/43,550.58 = 17,412.51/x
  3. Step 3: Cross multiply
    31,560.58x = 43,550.58 × 17,412.51
  4. Step 4: Simplify right side
    31,560.58x = 758,324,909.76
  5. Step 5: Solve for x
    x = 758,324,909.76/31,560.58
  6. Step 6: Final answer
    x = 24,027.60

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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.