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Finding the Fourth Proportional to 53,217, 73,439.97 and 29,344.48

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Solution

The fourth proportional to 53,217, 73,439.97 and 29,344.48 is: 40,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217 : 73,439.97 = 29,344.48 : x
  2. Step 2: Convert to fraction form
    53,217/73,439.97 = 29,344.48/x
  3. Step 3: Cross multiply
    53,217x = 73,439.97 × 29,344.48
  4. Step 4: Simplify right side
    53,217x = 2,155,057,437.22
  5. Step 5: Solve for x
    x = 2,155,057,437.22/53,217
  6. Step 6: Final answer
    x = 40,495.66

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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.