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Finding the Fourth Proportional to 8,051.30, 12,062.55 and 6,899.30

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Solution

The fourth proportional to 8,051.30, 12,062.55 and 6,899.30 is: 10,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.30 : 12,062.55 = 6,899.30 : x
  2. Step 2: Convert to fraction form
    8,051.30/12,062.55 = 6,899.30/x
  3. Step 3: Cross multiply
    8,051.30x = 12,062.55 × 6,899.30
  4. Step 4: Simplify right side
    8,051.30x = 83,223,151.22
  5. Step 5: Solve for x
    x = 83,223,151.22/8,051.30
  6. Step 6: Final answer
    x = 10,336.61

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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.