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Finding the Fourth Proportional to 35,401.77, 48,854.46 and 19,486.11

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Solution

The fourth proportional to 35,401.77, 48,854.46 and 19,486.11 is: 26,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,401.77 : 48,854.46 = 19,486.11 : x
  2. Step 2: Convert to fraction form
    35,401.77/48,854.46 = 19,486.11/x
  3. Step 3: Cross multiply
    35,401.77x = 48,854.46 × 19,486.11
  4. Step 4: Simplify right side
    35,401.77x = 951,983,430.27
  5. Step 5: Solve for x
    x = 951,983,430.27/35,401.77
  6. Step 6: Final answer
    x = 26,890.84

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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.