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Finding the Fourth Proportional to 70,022.54, 96,614.48 and 39,805.47

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Solution

The fourth proportional to 70,022.54, 96,614.48 and 39,805.47 is: 54,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,022.54 : 96,614.48 = 39,805.47 : x
  2. Step 2: Convert to fraction form
    70,022.54/96,614.48 = 39,805.47/x
  3. Step 3: Cross multiply
    70,022.54x = 96,614.48 × 39,805.47
  4. Step 4: Simplify right side
    70,022.54x = 3,845,784,103.11
  5. Step 5: Solve for x
    x = 3,845,784,103.11/70,022.54
  6. Step 6: Final answer
    x = 54,922.09

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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.