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Finding the Fourth Proportional to 33,005.60, 49,378.80 and 29,895.20

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Solution

The fourth proportional to 33,005.60, 49,378.80 and 29,895.20 is: 44,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.60 : 49,378.80 = 29,895.20 : x
  2. Step 2: Convert to fraction form
    33,005.60/49,378.80 = 29,895.20/x
  3. Step 3: Cross multiply
    33,005.60x = 49,378.80 × 29,895.20
  4. Step 4: Simplify right side
    33,005.60x = 1,476,189,101.76
  5. Step 5: Solve for x
    x = 1,476,189,101.76/33,005.60
  6. Step 6: Final answer
    x = 44,725.41

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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.