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Finding the Fourth Proportional to 61,883.63, 85,392.30 and 34,655.91

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Solution

The fourth proportional to 61,883.63, 85,392.30 and 34,655.91 is: 47,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883.63 : 85,392.30 = 34,655.91 : x
  2. Step 2: Convert to fraction form
    61,883.63/85,392.30 = 34,655.91/x
  3. Step 3: Cross multiply
    61,883.63x = 85,392.30 × 34,655.91
  4. Step 4: Simplify right side
    61,883.63x = 2,959,347,863.49
  5. Step 5: Solve for x
    x = 2,959,347,863.49/61,883.63
  6. Step 6: Final answer
    x = 47,821.18

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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.