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Finding the Fourth Proportional to 10,862.60, 16,284.67 and 4,293.41

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Solution

The fourth proportional to 10,862.60, 16,284.67 and 4,293.41 is: 6,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.60 : 16,284.67 = 4,293.41 : x
  2. Step 2: Convert to fraction form
    10,862.60/16,284.67 = 4,293.41/x
  3. Step 3: Cross multiply
    10,862.60x = 16,284.67 × 4,293.41
  4. Step 4: Simplify right side
    10,862.60x = 69,916,672.87
  5. Step 5: Solve for x
    x = 69,916,672.87/10,862.60
  6. Step 6: Final answer
    x = 6,436.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.