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Finding the Fourth Proportional to 51,174, 70,620.12 and 29,952.24

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Solution

The fourth proportional to 51,174, 70,620.12 and 29,952.24 is: 41,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174 : 70,620.12 = 29,952.24 : x
  2. Step 2: Convert to fraction form
    51,174/70,620.12 = 29,952.24/x
  3. Step 3: Cross multiply
    51,174x = 70,620.12 × 29,952.24
  4. Step 4: Simplify right side
    51,174x = 2,115,230,783.07
  5. Step 5: Solve for x
    x = 2,115,230,783.07/51,174
  6. Step 6: Final answer
    x = 41,334.09

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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.