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Finding the Fourth Proportional to 73,480.66, 101,404.12 and 39,946.66

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Solution

The fourth proportional to 73,480.66, 101,404.12 and 39,946.66 is: 55,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,480.66 : 101,404.12 = 39,946.66 : x
  2. Step 2: Convert to fraction form
    73,480.66/101,404.12 = 39,946.66/x
  3. Step 3: Cross multiply
    73,480.66x = 101,404.12 × 39,946.66
  4. Step 4: Simplify right side
    73,480.66x = 4,050,755,904.24
  5. Step 5: Solve for x
    x = 4,050,755,904.24/73,480.66
  6. Step 6: Final answer
    x = 55,126.83

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1.5x scale

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.