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Finding the Fourth Proportional to 8,165.54, 11,254.74 and 6,250.70

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Solution

The fourth proportional to 8,165.54, 11,254.74 and 6,250.70 is: 8,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.54 : 11,254.74 = 6,250.70 : x
  2. Step 2: Convert to fraction form
    8,165.54/11,254.74 = 6,250.70/x
  3. Step 3: Cross multiply
    8,165.54x = 11,254.74 × 6,250.70
  4. Step 4: Simplify right side
    8,165.54x = 70,350,003.32
  5. Step 5: Solve for x
    x = 70,350,003.32/8,165.54
  6. Step 6: Final answer
    x = 8,615.47

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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.