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Finding the Fourth Proportional to 33,295.80, 49,929.12 and 9,917.58

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Solution

The fourth proportional to 33,295.80, 49,929.12 and 9,917.58 is: 14,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,295.80 : 49,929.12 = 9,917.58 : x
  2. Step 2: Convert to fraction form
    33,295.80/49,929.12 = 9,917.58/x
  3. Step 3: Cross multiply
    33,295.80x = 49,929.12 × 9,917.58
  4. Step 4: Simplify right side
    33,295.80x = 495,176,041.93
  5. Step 5: Solve for x
    x = 495,176,041.93/33,295.80
  6. Step 6: Final answer
    x = 14,872.03

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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.