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Finding the Fourth Proportional to 33,159.56, 49,745.10 and 9,787.40

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Solution

The fourth proportional to 33,159.56, 49,745.10 and 9,787.40 is: 14,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.56 : 49,745.10 = 9,787.40 : x
  2. Step 2: Convert to fraction form
    33,159.56/49,745.10 = 9,787.40/x
  3. Step 3: Cross multiply
    33,159.56x = 49,745.10 × 9,787.40
  4. Step 4: Simplify right side
    33,159.56x = 486,875,191.74
  5. Step 5: Solve for x
    x = 486,875,191.74/33,159.56
  6. Step 6: Final answer
    x = 14,682.80

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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.