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Finding the Fourth Proportional to 26,662.66, 39,950.16 and 9,122.92

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Solution

The fourth proportional to 26,662.66, 39,950.16 and 9,122.92 is: 13,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.66 : 39,950.16 = 9,122.92 : x
  2. Step 2: Convert to fraction form
    26,662.66/39,950.16 = 9,122.92/x
  3. Step 3: Cross multiply
    26,662.66x = 39,950.16 × 9,122.92
  4. Step 4: Simplify right side
    26,662.66x = 364,462,113.67
  5. Step 5: Solve for x
    x = 364,462,113.67/26,662.66
  6. Step 6: Final answer
    x = 13,669.38

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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.