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Finding the Fourth Proportional to 35,411.70, 48,869.01 and 19,494.66

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Solution

The fourth proportional to 35,411.70, 48,869.01 and 19,494.66 is: 26,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.70 : 48,869.01 = 19,494.66 : x
  2. Step 2: Convert to fraction form
    35,411.70/48,869.01 = 19,494.66/x
  3. Step 3: Cross multiply
    35,411.70x = 48,869.01 × 19,494.66
  4. Step 4: Simplify right side
    35,411.70x = 952,684,734.49
  5. Step 5: Solve for x
    x = 952,684,734.49/35,411.70
  6. Step 6: Final answer
    x = 26,903.11

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Why These Related Problems?

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