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Finding the Fourth Proportional to 61,682.37, 85,120.95 and 34,826.01

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Solution

The fourth proportional to 61,682.37, 85,120.95 and 34,826.01 is: 48,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682.37 : 85,120.95 = 34,826.01 : x
  2. Step 2: Convert to fraction form
    61,682.37/85,120.95 = 34,826.01/x
  3. Step 3: Cross multiply
    61,682.37x = 85,120.95 × 34,826.01
  4. Step 4: Simplify right side
    61,682.37x = 2,964,423,055.91
  5. Step 5: Solve for x
    x = 2,964,423,055.91/61,682.37
  6. Step 6: Final answer
    x = 48,059.49

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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.