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Finding the Fourth Proportional to 35,318.33, 48,739.62 and 19,403.11

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Solution

The fourth proportional to 35,318.33, 48,739.62 and 19,403.11 is: 26,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.33 : 48,739.62 = 19,403.11 : x
  2. Step 2: Convert to fraction form
    35,318.33/48,739.62 = 19,403.11/x
  3. Step 3: Cross multiply
    35,318.33x = 48,739.62 × 19,403.11
  4. Step 4: Simplify right side
    35,318.33x = 945,700,341.90
  5. Step 5: Solve for x
    x = 945,700,341.90/35,318.33
  6. Step 6: Final answer
    x = 26,776.47

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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.