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Finding the Fourth Proportional to 61,463.77, 84,821.65 and 34,607.30

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Solution

The fourth proportional to 61,463.77, 84,821.65 and 34,607.30 is: 47,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,463.77 : 84,821.65 = 34,607.30 : x
  2. Step 2: Convert to fraction form
    61,463.77/84,821.65 = 34,607.30/x
  3. Step 3: Cross multiply
    61,463.77x = 84,821.65 × 34,607.30
  4. Step 4: Simplify right side
    61,463.77x = 2,935,447,777.42
  5. Step 5: Solve for x
    x = 2,935,447,777.42/61,463.77
  6. Step 6: Final answer
    x = 47,759.00

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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.