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Finding the Fourth Proportional to 35,396.87, 53,098.61 and 11,704.50

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Solution

The fourth proportional to 35,396.87, 53,098.61 and 11,704.50 is: 17,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,396.87 : 53,098.61 = 11,704.50 : x
  2. Step 2: Convert to fraction form
    35,396.87/53,098.61 = 11,704.50/x
  3. Step 3: Cross multiply
    35,396.87x = 53,098.61 × 11,704.50
  4. Step 4: Simplify right side
    35,396.87x = 621,492,622.22
  5. Step 5: Solve for x
    x = 621,492,622.22/35,396.87
  6. Step 6: Final answer
    x = 17,557.84

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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.