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Finding the Fourth Proportional to 50,801.88, 70,121.88 and 32,898.18

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Solution

The fourth proportional to 50,801.88, 70,121.88 and 32,898.18 is: 45,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.88 : 70,121.88 = 32,898.18 : x
  2. Step 2: Convert to fraction form
    50,801.88/70,121.88 = 32,898.18/x
  3. Step 3: Cross multiply
    50,801.88x = 70,121.88 × 32,898.18
  4. Step 4: Simplify right side
    50,801.88x = 2,306,882,230.18
  5. Step 5: Solve for x
    x = 2,306,882,230.18/50,801.88
  6. Step 6: Final answer
    x = 45,409.39

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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.