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Finding the Fourth Proportional to 53,103.68, 79,610.88 and 35,519.84

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Solution

The fourth proportional to 53,103.68, 79,610.88 and 35,519.84 is: 53,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.68 : 79,610.88 = 35,519.84 : x
  2. Step 2: Convert to fraction form
    53,103.68/79,610.88 = 35,519.84/x
  3. Step 3: Cross multiply
    53,103.68x = 79,610.88 × 35,519.84
  4. Step 4: Simplify right side
    53,103.68x = 2,827,765,719.86
  5. Step 5: Solve for x
    x = 2,827,765,719.86/53,103.68
  6. Step 6: Final answer
    x = 53,249.90

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1.5x scale

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.