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Finding the Fourth Proportional to 61,514.16, 84,889.80 and 34,656.99

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Solution

The fourth proportional to 61,514.16, 84,889.80 and 34,656.99 is: 47,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,514.16 : 84,889.80 = 34,656.99 : x
  2. Step 2: Convert to fraction form
    61,514.16/84,889.80 = 34,656.99/x
  3. Step 3: Cross multiply
    61,514.16x = 84,889.80 × 34,656.99
  4. Step 4: Simplify right side
    61,514.16x = 2,942,024,949.70
  5. Step 5: Solve for x
    x = 2,942,024,949.70/61,514.16
  6. Step 6: Final answer
    x = 47,826.79

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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.