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Finding the Fourth Proportional to 32,138.70, 44,351.19 and 17,990.70

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Solution

The fourth proportional to 32,138.70, 44,351.19 and 17,990.70 is: 24,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.70 : 44,351.19 = 17,990.70 : x
  2. Step 2: Convert to fraction form
    32,138.70/44,351.19 = 17,990.70/x
  3. Step 3: Cross multiply
    32,138.70x = 44,351.19 × 17,990.70
  4. Step 4: Simplify right side
    32,138.70x = 797,908,953.93
  5. Step 5: Solve for x
    x = 797,908,953.93/32,138.70
  6. Step 6: Final answer
    x = 24,827.05

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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.