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Finding the Fourth Proportional to 61,563.88, 92,308.86 and 28,242.19

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Solution

The fourth proportional to 61,563.88, 92,308.86 and 28,242.19 is: 42,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,563.88 : 92,308.86 = 28,242.19 : x
  2. Step 2: Convert to fraction form
    61,563.88/92,308.86 = 28,242.19/x
  3. Step 3: Cross multiply
    61,563.88x = 92,308.86 × 28,242.19
  4. Step 4: Simplify right side
    61,563.88x = 2,607,004,362.80
  5. Step 5: Solve for x
    x = 2,607,004,362.80/61,563.88
  6. Step 6: Final answer
    x = 42,346.33

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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.