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Finding the Fourth Proportional to 32,139.70, 44,352.57 and 17,991.70

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Solution

The fourth proportional to 32,139.70, 44,352.57 and 17,991.70 is: 24,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.70 : 44,352.57 = 17,991.70 : x
  2. Step 2: Convert to fraction form
    32,139.70/44,352.57 = 17,991.70/x
  3. Step 3: Cross multiply
    32,139.70x = 44,352.57 × 17,991.70
  4. Step 4: Simplify right side
    32,139.70x = 797,978,133.67
  5. Step 5: Solve for x
    x = 797,978,133.67/32,139.70
  6. Step 6: Final answer
    x = 24,828.43

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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.