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Finding the Fourth Proportional to 61,322.94, 84,562.65 and 51,247.62

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Solution

The fourth proportional to 61,322.94, 84,562.65 and 51,247.62 is: 70,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,322.94 : 84,562.65 = 51,247.62 : x
  2. Step 2: Convert to fraction form
    61,322.94/84,562.65 = 51,247.62/x
  3. Step 3: Cross multiply
    61,322.94x = 84,562.65 × 51,247.62
  4. Step 4: Simplify right side
    61,322.94x = 4,333,634,553.39
  5. Step 5: Solve for x
    x = 4,333,634,553.39/61,322.94
  6. Step 6: Final answer
    x = 70,669.06

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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.