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Finding the Fourth Proportional to 61,578.38, 92,220.96 and 39,322.82

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Solution

The fourth proportional to 61,578.38, 92,220.96 and 39,322.82 is: 58,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578.38 : 92,220.96 = 39,322.82 : x
  2. Step 2: Convert to fraction form
    61,578.38/92,220.96 = 39,322.82/x
  3. Step 3: Cross multiply
    61,578.38x = 92,220.96 × 39,322.82
  4. Step 4: Simplify right side
    61,578.38x = 3,626,388,210.31
  5. Step 5: Solve for x
    x = 3,626,388,210.31/61,578.38
  6. Step 6: Final answer
    x = 58,890.61

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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.