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Finding the Fourth Proportional to 23,774.50, 32,808.81 and 15,391

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Solution

The fourth proportional to 23,774.50, 32,808.81 and 15,391 is: 21,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,774.50 : 32,808.81 = 15,391 : x
  2. Step 2: Convert to fraction form
    23,774.50/32,808.81 = 15,391/x
  3. Step 3: Cross multiply
    23,774.50x = 32,808.81 × 15,391
  4. Step 4: Simplify right side
    23,774.50x = 504,960,394.71
  5. Step 5: Solve for x
    x = 504,960,394.71/23,774.50
  6. Step 6: Final answer
    x = 21,239.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.