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Finding the Fourth Proportional to 35,408.68, 48,864.30 and 19,493.44

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Solution

The fourth proportional to 35,408.68, 48,864.30 and 19,493.44 is: 26,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.68 : 48,864.30 = 19,493.44 : x
  2. Step 2: Convert to fraction form
    35,408.68/48,864.30 = 19,493.44/x
  3. Step 3: Cross multiply
    35,408.68x = 48,864.30 × 19,493.44
  4. Step 4: Simplify right side
    35,408.68x = 952,533,300.19
  5. Step 5: Solve for x
    x = 952,533,300.19/35,408.68
  6. Step 6: Final answer
    x = 26,901.12

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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.