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Finding the Fourth Proportional to 8,508.81, 11,738.88 and 6,275.98

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Solution

The fourth proportional to 8,508.81, 11,738.88 and 6,275.98 is: 8,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.81 : 11,738.88 = 6,275.98 : x
  2. Step 2: Convert to fraction form
    8,508.81/11,738.88 = 6,275.98/x
  3. Step 3: Cross multiply
    8,508.81x = 11,738.88 × 6,275.98
  4. Step 4: Simplify right side
    8,508.81x = 73,672,946.76
  5. Step 5: Solve for x
    x = 73,672,946.76/8,508.81
  6. Step 6: Final answer
    x = 8,658.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.