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Finding the Fourth Proportional to 61,305.66, 84,597.21 and 34,443.90

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Solution

The fourth proportional to 61,305.66, 84,597.21 and 34,443.90 is: 47,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.66 : 84,597.21 = 34,443.90 : x
  2. Step 2: Convert to fraction form
    61,305.66/84,597.21 = 34,443.90/x
  3. Step 3: Cross multiply
    61,305.66x = 84,597.21 × 34,443.90
  4. Step 4: Simplify right side
    61,305.66x = 2,913,857,841.52
  5. Step 5: Solve for x
    x = 2,913,857,841.52/61,305.66
  6. Step 6: Final answer
    x = 47,530.00

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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.