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Finding the Fourth Proportional to 61,848, 85,350.24 and 34,989.93

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Solution

The fourth proportional to 61,848, 85,350.24 and 34,989.93 is: 48,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,848 : 85,350.24 = 34,989.93 : x
  2. Step 2: Convert to fraction form
    61,848/85,350.24 = 34,989.93/x
  3. Step 3: Cross multiply
    61,848x = 85,350.24 × 34,989.93
  4. Step 4: Simplify right side
    61,848x = 2,986,398,923.08
  5. Step 5: Solve for x
    x = 2,986,398,923.08/61,848
  6. Step 6: Final answer
    x = 48,286.10

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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.