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Finding the Fourth Proportional to 33,261.84, 49,893.57 and 9,888.48

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Solution

The fourth proportional to 33,261.84, 49,893.57 and 9,888.48 is: 14,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.84 : 49,893.57 = 9,888.48 : x
  2. Step 2: Convert to fraction form
    33,261.84/49,893.57 = 9,888.48/x
  3. Step 3: Cross multiply
    33,261.84x = 49,893.57 × 9,888.48
  4. Step 4: Simplify right side
    33,261.84x = 493,371,569.07
  5. Step 5: Solve for x
    x = 493,371,569.07/33,261.84
  6. Step 6: Final answer
    x = 14,832.96

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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.