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Finding the Fourth Proportional to 8,295.22, 12,445.80 and 4,134.86

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Solution

The fourth proportional to 8,295.22, 12,445.80 and 4,134.86 is: 6,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.22 : 12,445.80 = 4,134.86 : x
  2. Step 2: Convert to fraction form
    8,295.22/12,445.80 = 4,134.86/x
  3. Step 3: Cross multiply
    8,295.22x = 12,445.80 × 4,134.86
  4. Step 4: Simplify right side
    8,295.22x = 51,461,640.59
  5. Step 5: Solve for x
    x = 51,461,640.59/8,295.22
  6. Step 6: Final answer
    x = 6,203.77

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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.