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Finding the Fourth Proportional to 17,829.92, 26,745.50 and 8,465.11

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Solution

The fourth proportional to 17,829.92, 26,745.50 and 8,465.11 is: 12,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,829.92 : 26,745.50 = 8,465.11 : x
  2. Step 2: Convert to fraction form
    17,829.92/26,745.50 = 8,465.11/x
  3. Step 3: Cross multiply
    17,829.92x = 26,745.50 × 8,465.11
  4. Step 4: Simplify right side
    17,829.92x = 226,403,599.51
  5. Step 5: Solve for x
    x = 226,403,599.51/17,829.92
  6. Step 6: Final answer
    x = 12,697.96

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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.