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Finding the Fourth Proportional to 66,394.74, 99,531.82 and 33,124.98

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Solution

The fourth proportional to 66,394.74, 99,531.82 and 33,124.98 is: 49,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.74 : 99,531.82 = 33,124.98 : x
  2. Step 2: Convert to fraction form
    66,394.74/99,531.82 = 33,124.98/x
  3. Step 3: Cross multiply
    66,394.74x = 99,531.82 × 33,124.98
  4. Step 4: Simplify right side
    66,394.74x = 3,296,989,546.86
  5. Step 5: Solve for x
    x = 3,296,989,546.86/66,394.74
  6. Step 6: Final answer
    x = 49,657.39

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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.