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Finding the Fourth Proportional to 61,783.22, 92,603.13 and 28,433.26

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Solution

The fourth proportional to 61,783.22, 92,603.13 and 28,433.26 is: 42,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783.22 : 92,603.13 = 28,433.26 : x
  2. Step 2: Convert to fraction form
    61,783.22/92,603.13 = 28,433.26/x
  3. Step 3: Cross multiply
    61,783.22x = 92,603.13 × 28,433.26
  4. Step 4: Simplify right side
    61,783.22x = 2,633,008,872.10
  5. Step 5: Solve for x
    x = 2,633,008,872.10/61,783.22
  6. Step 6: Final answer
    x = 42,616.89

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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.