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Finding the Fourth Proportional to 61,356.02, 84,674.85 and 34,498.58

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Solution

The fourth proportional to 61,356.02, 84,674.85 and 34,498.58 is: 47,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.02 : 84,674.85 = 34,498.58 : x
  2. Step 2: Convert to fraction form
    61,356.02/84,674.85 = 34,498.58/x
  3. Step 3: Cross multiply
    61,356.02x = 84,674.85 × 34,498.58
  4. Step 4: Simplify right side
    61,356.02x = 2,921,162,086.71
  5. Step 5: Solve for x
    x = 2,921,162,086.71/61,356.02
  6. Step 6: Final answer
    x = 47,610.03

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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.