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Finding the Fourth Proportional to 8,274.88, 12,420.52 and 6,733.05

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Solution

The fourth proportional to 8,274.88, 12,420.52 and 6,733.05 is: 10,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.88 : 12,420.52 = 6,733.05 : x
  2. Step 2: Convert to fraction form
    8,274.88/12,420.52 = 6,733.05/x
  3. Step 3: Cross multiply
    8,274.88x = 12,420.52 × 6,733.05
  4. Step 4: Simplify right side
    8,274.88x = 83,627,982.19
  5. Step 5: Solve for x
    x = 83,627,982.19/8,274.88
  6. Step 6: Final answer
    x = 10,106.25

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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.