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Finding the Fourth Proportional to 53,217.70, 73,443.70 and 29,344.30

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Solution

The fourth proportional to 53,217.70, 73,443.70 and 29,344.30 is: 40,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.70 : 73,443.70 = 29,344.30 : x
  2. Step 2: Convert to fraction form
    53,217.70/73,443.70 = 29,344.30/x
  3. Step 3: Cross multiply
    53,217.70x = 73,443.70 × 29,344.30
  4. Step 4: Simplify right side
    53,217.70x = 2,155,153,965.91
  5. Step 5: Solve for x
    x = 2,155,153,965.91/53,217.70
  6. Step 6: Final answer
    x = 40,496.94

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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.