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Finding the Fourth Proportional to 50,807.16, 70,040.43 and 35,652.87

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Solution

The fourth proportional to 50,807.16, 70,040.43 and 35,652.87 is: 49,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,807.16 : 70,040.43 = 35,652.87 : x
  2. Step 2: Convert to fraction form
    50,807.16/70,040.43 = 35,652.87/x
  3. Step 3: Cross multiply
    50,807.16x = 70,040.43 × 35,652.87
  4. Step 4: Simplify right side
    50,807.16x = 2,497,142,345.53
  5. Step 5: Solve for x
    x = 2,497,142,345.53/50,807.16
  6. Step 6: Final answer
    x = 49,149.42

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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.