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Finding the Fourth Proportional to 61,716.84, 92,575.52 and 14,969.68

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Solution

The fourth proportional to 61,716.84, 92,575.52 and 14,969.68 is: 22,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.84 : 92,575.52 = 14,969.68 : x
  2. Step 2: Convert to fraction form
    61,716.84/92,575.52 = 14,969.68/x
  3. Step 3: Cross multiply
    61,716.84x = 92,575.52 × 14,969.68
  4. Step 4: Simplify right side
    61,716.84x = 1,385,825,910.23
  5. Step 5: Solve for x
    x = 1,385,825,910.23/61,716.84
  6. Step 6: Final answer
    x = 22,454.58

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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.