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Finding the Fourth Proportional to 66,496.80, 99,657.68 and 33,254.40

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Solution

The fourth proportional to 66,496.80, 99,657.68 and 33,254.40 is: 49,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496.80 : 99,657.68 = 33,254.40 : x
  2. Step 2: Convert to fraction form
    66,496.80/99,657.68 = 33,254.40/x
  3. Step 3: Cross multiply
    66,496.80x = 99,657.68 × 33,254.40
  4. Step 4: Simplify right side
    66,496.80x = 3,314,056,353.79
  5. Step 5: Solve for x
    x = 3,314,056,353.79/66,496.80
  6. Step 6: Final answer
    x = 49,837.83

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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.