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Finding the Fourth Proportional to 33,993, 50,981.80 and 12,925.56

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Solution

The fourth proportional to 33,993, 50,981.80 and 12,925.56 is: 19,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993 : 50,981.80 = 12,925.56 : x
  2. Step 2: Convert to fraction form
    33,993/50,981.80 = 12,925.56/x
  3. Step 3: Cross multiply
    33,993x = 50,981.80 × 12,925.56
  4. Step 4: Simplify right side
    33,993x = 658,968,314.81
  5. Step 5: Solve for x
    x = 658,968,314.81/33,993
  6. Step 6: Final answer
    x = 19,385.41

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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.