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Finding the Fourth Proportional to 8,310.52, 12,465.71 and 2,070.48

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Solution

The fourth proportional to 8,310.52, 12,465.71 and 2,070.48 is: 3,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.52 : 12,465.71 = 2,070.48 : x
  2. Step 2: Convert to fraction form
    8,310.52/12,465.71 = 2,070.48/x
  3. Step 3: Cross multiply
    8,310.52x = 12,465.71 × 2,070.48
  4. Step 4: Simplify right side
    8,310.52x = 25,810,003.24
  5. Step 5: Solve for x
    x = 25,810,003.24/8,310.52
  6. Step 6: Final answer
    x = 3,105.70

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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.