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Finding the Fourth Proportional to 17,867.79, 26,776.98 and 6,762.69

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Solution

The fourth proportional to 17,867.79, 26,776.98 and 6,762.69 is: 10,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.79 : 26,776.98 = 6,762.69 : x
  2. Step 2: Convert to fraction form
    17,867.79/26,776.98 = 6,762.69/x
  3. Step 3: Cross multiply
    17,867.79x = 26,776.98 × 6,762.69
  4. Step 4: Simplify right side
    17,867.79x = 181,084,414.88
  5. Step 5: Solve for x
    x = 181,084,414.88/17,867.79
  6. Step 6: Final answer
    x = 10,134.68

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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.