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Finding the Fourth Proportional to 17,762.45, 26,647.34 and 6,669.09

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Solution

The fourth proportional to 17,762.45, 26,647.34 and 6,669.09 is: 10,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.45 : 26,647.34 = 6,669.09 : x
  2. Step 2: Convert to fraction form
    17,762.45/26,647.34 = 6,669.09/x
  3. Step 3: Cross multiply
    17,762.45x = 26,647.34 × 6,669.09
  4. Step 4: Simplify right side
    17,762.45x = 177,713,475.38
  5. Step 5: Solve for x
    x = 177,713,475.38/17,762.45
  6. Step 6: Final answer
    x = 10,005.01

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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.