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Finding the Fourth Proportional to 42,615.30, 63,893.78 and 22,873.98

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Solution

The fourth proportional to 42,615.30, 63,893.78 and 22,873.98 is: 34,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.30 : 63,893.78 = 22,873.98 : x
  2. Step 2: Convert to fraction form
    42,615.30/63,893.78 = 22,873.98/x
  3. Step 3: Cross multiply
    42,615.30x = 63,893.78 × 22,873.98
  4. Step 4: Simplify right side
    42,615.30x = 1,461,505,045.84
  5. Step 5: Solve for x
    x = 1,461,505,045.84/42,615.30
  6. Step 6: Final answer
    x = 34,295.31

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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.