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Finding the Fourth Proportional to 35,486.68, 53,242.77 and 15,214.96

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Solution

The fourth proportional to 35,486.68, 53,242.77 and 15,214.96 is: 22,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.68 : 53,242.77 = 15,214.96 : x
  2. Step 2: Convert to fraction form
    35,486.68/53,242.77 = 15,214.96/x
  3. Step 3: Cross multiply
    35,486.68x = 53,242.77 × 15,214.96
  4. Step 4: Simplify right side
    35,486.68x = 810,086,615.84
  5. Step 5: Solve for x
    x = 810,086,615.84/35,486.68
  6. Step 6: Final answer
    x = 22,827.91

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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.