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Finding the Fourth Proportional to 26,751.56, 40,127.52 and 8,031.74

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Solution

The fourth proportional to 26,751.56, 40,127.52 and 8,031.74 is: 12,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.56 : 40,127.52 = 8,031.74 : x
  2. Step 2: Convert to fraction form
    26,751.56/40,127.52 = 8,031.74/x
  3. Step 3: Cross multiply
    26,751.56x = 40,127.52 × 8,031.74
  4. Step 4: Simplify right side
    26,751.56x = 322,293,606.85
  5. Step 5: Solve for x
    x = 322,293,606.85/26,751.56
  6. Step 6: Final answer
    x = 12,047.66

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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.