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Finding the Fourth Proportional to 35,287.76, 52,911.48 and 11,913.68

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Solution

The fourth proportional to 35,287.76, 52,911.48 and 11,913.68 is: 17,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.76 : 52,911.48 = 11,913.68 : x
  2. Step 2: Convert to fraction form
    35,287.76/52,911.48 = 11,913.68/x
  3. Step 3: Cross multiply
    35,287.76x = 52,911.48 × 11,913.68
  4. Step 4: Simplify right side
    35,287.76x = 630,370,441.05
  5. Step 5: Solve for x
    x = 630,370,441.05/35,287.76
  6. Step 6: Final answer
    x = 17,863.71

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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.