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Finding the Fourth Proportional to 35,415.97, 48,874.10 and 19,500.47

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Solution

The fourth proportional to 35,415.97, 48,874.10 and 19,500.47 is: 26,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.97 : 48,874.10 = 19,500.47 : x
  2. Step 2: Convert to fraction form
    35,415.97/48,874.10 = 19,500.47/x
  3. Step 3: Cross multiply
    35,415.97x = 48,874.10 × 19,500.47
  4. Step 4: Simplify right side
    35,415.97x = 953,067,762.23
  5. Step 5: Solve for x
    x = 953,067,762.23/35,415.97
  6. Step 6: Final answer
    x = 26,910.68

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1.5x scale

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.