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Finding the Fourth Proportional to 61,563.21, 84,952.14 and 34,712.32

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Solution

The fourth proportional to 61,563.21, 84,952.14 and 34,712.32 is: 47,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,563.21 : 84,952.14 = 34,712.32 : x
  2. Step 2: Convert to fraction form
    61,563.21/84,952.14 = 34,712.32/x
  3. Step 3: Cross multiply
    61,563.21x = 84,952.14 × 34,712.32
  4. Step 4: Simplify right side
    61,563.21x = 2,948,885,868.36
  5. Step 5: Solve for x
    x = 2,948,885,868.36/61,563.21
  6. Step 6: Final answer
    x = 47,900.13

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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.