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Finding the Fourth Proportional to 61,966.67, 85,514.27 and 35,114.40

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Solution

The fourth proportional to 61,966.67, 85,514.27 and 35,114.40 is: 48,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.67 : 85,514.27 = 35,114.40 : x
  2. Step 2: Convert to fraction form
    61,966.67/85,514.27 = 35,114.40/x
  3. Step 3: Cross multiply
    61,966.67x = 85,514.27 × 35,114.40
  4. Step 4: Simplify right side
    61,966.67x = 3,002,782,106.92
  5. Step 5: Solve for x
    x = 3,002,782,106.92/61,966.67
  6. Step 6: Final answer
    x = 48,458.02

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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.