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Finding the Fourth Proportional to 17,607.99, 26,420.60 and 7,746.04

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Solution

The fourth proportional to 17,607.99, 26,420.60 and 7,746.04 is: 11,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.99 : 26,420.60 = 7,746.04 : x
  2. Step 2: Convert to fraction form
    17,607.99/26,420.60 = 7,746.04/x
  3. Step 3: Cross multiply
    17,607.99x = 26,420.60 × 7,746.04
  4. Step 4: Simplify right side
    17,607.99x = 204,655,024.42
  5. Step 5: Solve for x
    x = 204,655,024.42/17,607.99
  6. Step 6: Final answer
    x = 11,622.85

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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.