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Finding the Fourth Proportional to 8,295.63, 12,445.07 and 2,750.64

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Solution

The fourth proportional to 8,295.63, 12,445.07 and 2,750.64 is: 4,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.63 : 12,445.07 = 2,750.64 : x
  2. Step 2: Convert to fraction form
    8,295.63/12,445.07 = 2,750.64/x
  3. Step 3: Cross multiply
    8,295.63x = 12,445.07 × 2,750.64
  4. Step 4: Simplify right side
    8,295.63x = 34,231,893.59
  5. Step 5: Solve for x
    x = 34,231,893.59/8,295.63
  6. Step 6: Final answer
    x = 4,126.50

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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.