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Finding the Fourth Proportional to 33,261.60, 49,902.32 and 9,888.80

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Solution

The fourth proportional to 33,261.60, 49,902.32 and 9,888.80 is: 14,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.60 : 49,902.32 = 9,888.80 : x
  2. Step 2: Convert to fraction form
    33,261.60/49,902.32 = 9,888.80/x
  3. Step 3: Cross multiply
    33,261.60x = 49,902.32 × 9,888.80
  4. Step 4: Simplify right side
    33,261.60x = 493,474,062.02
  5. Step 5: Solve for x
    x = 493,474,062.02/33,261.60
  6. Step 6: Final answer
    x = 14,836.15

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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.