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Finding the Fourth Proportional to 19,963.68, 29,948.44 and 10,601.32

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Solution

The fourth proportional to 19,963.68, 29,948.44 and 10,601.32 is: 15,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.68 : 29,948.44 = 10,601.32 : x
  2. Step 2: Convert to fraction form
    19,963.68/29,948.44 = 10,601.32/x
  3. Step 3: Cross multiply
    19,963.68x = 29,948.44 × 10,601.32
  4. Step 4: Simplify right side
    19,963.68x = 317,492,995.94
  5. Step 5: Solve for x
    x = 317,492,995.94/19,963.68
  6. Step 6: Final answer
    x = 15,903.53

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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.