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Finding the Fourth Proportional to 39,404.68, 59,116.86 and 11,702.68

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Solution

The fourth proportional to 39,404.68, 59,116.86 and 11,702.68 is: 17,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.68 : 59,116.86 = 11,702.68 : x
  2. Step 2: Convert to fraction form
    39,404.68/59,116.86 = 11,702.68/x
  3. Step 3: Cross multiply
    39,404.68x = 59,116.86 × 11,702.68
  4. Step 4: Simplify right side
    39,404.68x = 691,825,695.18
  5. Step 5: Solve for x
    x = 691,825,695.18/39,404.68
  6. Step 6: Final answer
    x = 17,556.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.