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Finding the Fourth Proportional to 61,751.07, 92,616.90 and 19,625.60

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Solution

The fourth proportional to 61,751.07, 92,616.90 and 19,625.60 is: 29,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.07 : 92,616.90 = 19,625.60 : x
  2. Step 2: Convert to fraction form
    61,751.07/92,616.90 = 19,625.60/x
  3. Step 3: Cross multiply
    61,751.07x = 92,616.90 × 19,625.60
  4. Step 4: Simplify right side
    61,751.07x = 1,817,662,232.64
  5. Step 5: Solve for x
    x = 1,817,662,232.64/61,751.07
  6. Step 6: Final answer
    x = 29,435.32

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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.