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Finding the Fourth Proportional to 35,342.88, 48,764.68 and 20,029.84

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Solution

The fourth proportional to 35,342.88, 48,764.68 and 20,029.84 is: 27,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.88 : 48,764.68 = 20,029.84 : x
  2. Step 2: Convert to fraction form
    35,342.88/48,764.68 = 20,029.84/x
  3. Step 3: Cross multiply
    35,342.88x = 48,764.68 × 20,029.84
  4. Step 4: Simplify right side
    35,342.88x = 976,748,738.05
  5. Step 5: Solve for x
    x = 976,748,738.05/35,342.88
  6. Step 6: Final answer
    x = 27,636.37

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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.