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Finding the Fourth Proportional to 69,284.03, 95,566.38 and 47,774.66

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Solution

The fourth proportional to 69,284.03, 95,566.38 and 47,774.66 is: 65,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,284.03 : 95,566.38 = 47,774.66 : x
  2. Step 2: Convert to fraction form
    69,284.03/95,566.38 = 47,774.66/x
  3. Step 3: Cross multiply
    69,284.03x = 95,566.38 × 47,774.66
  4. Step 4: Simplify right side
    69,284.03x = 4,565,651,311.93
  5. Step 5: Solve for x
    x = 4,565,651,311.93/69,284.03
  6. Step 6: Final answer
    x = 65,897.60

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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.