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Finding the Fourth Proportional to 53,397, 73,684.98 and 29,522.28

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Solution

The fourth proportional to 53,397, 73,684.98 and 29,522.28 is: 40,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397 : 73,684.98 = 29,522.28 : x
  2. Step 2: Convert to fraction form
    53,397/73,684.98 = 29,522.28/x
  3. Step 3: Cross multiply
    53,397x = 73,684.98 × 29,522.28
  4. Step 4: Simplify right side
    53,397x = 2,175,348,611.35
  5. Step 5: Solve for x
    x = 2,175,348,611.35/53,397
  6. Step 6: Final answer
    x = 40,739.15

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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.