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Finding the Fourth Proportional to 77,474.57, 116,261.01 and 33,101.66

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Solution

The fourth proportional to 77,474.57, 116,261.01 and 33,101.66 is: 49,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,474.57 : 116,261.01 = 33,101.66 : x
  2. Step 2: Convert to fraction form
    77,474.57/116,261.01 = 33,101.66/x
  3. Step 3: Cross multiply
    77,474.57x = 116,261.01 × 33,101.66
  4. Step 4: Simplify right side
    77,474.57x = 3,848,432,714.93
  5. Step 5: Solve for x
    x = 3,848,432,714.93/77,474.57
  6. Step 6: Final answer
    x = 49,673.50

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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.