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Finding the Fourth Proportional to 34,953, 52,378.38 and 21,765.24

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Solution

The fourth proportional to 34,953, 52,378.38 and 21,765.24 is: 32,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,953 : 52,378.38 = 21,765.24 : x
  2. Step 2: Convert to fraction form
    34,953/52,378.38 = 21,765.24/x
  3. Step 3: Cross multiply
    34,953x = 52,378.38 × 21,765.24
  4. Step 4: Simplify right side
    34,953x = 1,140,028,011.51
  5. Step 5: Solve for x
    x = 1,140,028,011.51/34,953
  6. Step 6: Final answer
    x = 32,616.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.