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Finding the Fourth Proportional to 61,751.82, 92,557.77 and 28,403.04

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Solution

The fourth proportional to 61,751.82, 92,557.77 and 28,403.04 is: 42,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.82 : 92,557.77 = 28,403.04 : x
  2. Step 2: Convert to fraction form
    61,751.82/92,557.77 = 28,403.04/x
  3. Step 3: Cross multiply
    61,751.82x = 92,557.77 × 28,403.04
  4. Step 4: Simplify right side
    61,751.82x = 2,628,922,043.62
  5. Step 5: Solve for x
    x = 2,628,922,043.62/61,751.82
  6. Step 6: Final answer
    x = 42,572.38

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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.