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Finding the Fourth Proportional to 36,747.52, 50,712.04 and 21,646.30

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Solution

The fourth proportional to 36,747.52, 50,712.04 and 21,646.30 is: 29,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.52 : 50,712.04 = 21,646.30 : x
  2. Step 2: Convert to fraction form
    36,747.52/50,712.04 = 21,646.30/x
  3. Step 3: Cross multiply
    36,747.52x = 50,712.04 × 21,646.30
  4. Step 4: Simplify right side
    36,747.52x = 1,097,728,031.45
  5. Step 5: Solve for x
    x = 1,097,728,031.45/36,747.52
  6. Step 6: Final answer
    x = 29,872.17

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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.