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Finding the Fourth Proportional to 70,044.74, 96,659.83 and 38,213.63

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Solution

The fourth proportional to 70,044.74, 96,659.83 and 38,213.63 is: 52,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,044.74 : 96,659.83 = 38,213.63 : x
  2. Step 2: Convert to fraction form
    70,044.74/96,659.83 = 38,213.63/x
  3. Step 3: Cross multiply
    70,044.74x = 96,659.83 × 38,213.63
  4. Step 4: Simplify right side
    70,044.74x = 3,693,722,979.48
  5. Step 5: Solve for x
    x = 3,693,722,979.48/70,044.74
  6. Step 6: Final answer
    x = 52,733.77

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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.