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Finding the Fourth Proportional to 61,966.50, 85,511.43 and 33,671.58

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Solution

The fourth proportional to 61,966.50, 85,511.43 and 33,671.58 is: 46,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.50 : 85,511.43 = 33,671.58 : x
  2. Step 2: Convert to fraction form
    61,966.50/85,511.43 = 33,671.58/x
  3. Step 3: Cross multiply
    61,966.50x = 85,511.43 × 33,671.58
  4. Step 4: Simplify right side
    61,966.50x = 2,879,304,956.16
  5. Step 5: Solve for x
    x = 2,879,304,956.16/61,966.50
  6. Step 6: Final answer
    x = 46,465.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.