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Finding the Fourth Proportional to 70,883.86, 97,819.73 and 39,053.44

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Solution

The fourth proportional to 70,883.86, 97,819.73 and 39,053.44 is: 53,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.86 : 97,819.73 = 39,053.44 : x
  2. Step 2: Convert to fraction form
    70,883.86/97,819.73 = 39,053.44/x
  3. Step 3: Cross multiply
    70,883.86x = 97,819.73 × 39,053.44
  4. Step 4: Simplify right side
    70,883.86x = 3,820,196,919.99
  5. Step 5: Solve for x
    x = 3,820,196,919.99/70,883.86
  6. Step 6: Final answer
    x = 53,893.75

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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.