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Finding the Fourth Proportional to 61,866.41, 85,377.30 and 33,572.12

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Solution

The fourth proportional to 61,866.41, 85,377.30 and 33,572.12 is: 46,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.41 : 85,377.30 = 33,572.12 : x
  2. Step 2: Convert to fraction form
    61,866.41/85,377.30 = 33,572.12/x
  3. Step 3: Cross multiply
    61,866.41x = 85,377.30 × 33,572.12
  4. Step 4: Simplify right side
    61,866.41x = 2,866,296,960.88
  5. Step 5: Solve for x
    x = 2,866,296,960.88/61,866.41
  6. Step 6: Final answer
    x = 46,330.42

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1.5x scale

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.