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Finding the Fourth Proportional to 23,236.88, 34,860.78 and 7,654.50

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Solution

The fourth proportional to 23,236.88, 34,860.78 and 7,654.50 is: 11,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,236.88 : 34,860.78 = 7,654.50 : x
  2. Step 2: Convert to fraction form
    23,236.88/34,860.78 = 7,654.50/x
  3. Step 3: Cross multiply
    23,236.88x = 34,860.78 × 7,654.50
  4. Step 4: Simplify right side
    23,236.88x = 266,841,840.51
  5. Step 5: Solve for x
    x = 266,841,840.51/23,236.88
  6. Step 6: Final answer
    x = 11,483.55

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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.