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Finding the Fourth Proportional to 53,393.62, 73,683.76 and 29,521.30

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Solution

The fourth proportional to 53,393.62, 73,683.76 and 29,521.30 is: 40,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393.62 : 73,683.76 = 29,521.30 : x
  2. Step 2: Convert to fraction form
    53,393.62/73,683.76 = 29,521.30/x
  3. Step 3: Cross multiply
    53,393.62x = 73,683.76 × 29,521.30
  4. Step 4: Simplify right side
    53,393.62x = 2,175,240,384.09
  5. Step 5: Solve for x
    x = 2,175,240,384.09/53,393.62
  6. Step 6: Final answer
    x = 40,739.71

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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.