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Finding the Fourth Proportional to 15,652.66, 23,478.99 and 3,965.94

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Solution

The fourth proportional to 15,652.66, 23,478.99 and 3,965.94 is: 5,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.66 : 23,478.99 = 3,965.94 : x
  2. Step 2: Convert to fraction form
    15,652.66/23,478.99 = 3,965.94/x
  3. Step 3: Cross multiply
    15,652.66x = 23,478.99 × 3,965.94
  4. Step 4: Simplify right side
    15,652.66x = 93,116,265.60
  5. Step 5: Solve for x
    x = 93,116,265.60/15,652.66
  6. Step 6: Final answer
    x = 5,948.91

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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.