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Finding the Fourth Proportional to 61,459.66, 84,822.42 and 34,607.42

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Solution

The fourth proportional to 61,459.66, 84,822.42 and 34,607.42 is: 47,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,459.66 : 84,822.42 = 34,607.42 : x
  2. Step 2: Convert to fraction form
    61,459.66/84,822.42 = 34,607.42/x
  3. Step 3: Cross multiply
    61,459.66x = 84,822.42 × 34,607.42
  4. Step 4: Simplify right side
    61,459.66x = 2,935,485,138.11
  5. Step 5: Solve for x
    x = 2,935,485,138.11/61,459.66
  6. Step 6: Final answer
    x = 47,762.79

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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.