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Finding the Fourth Proportional to 8,295.60, 11,447.73 and 4,758.60

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Solution

The fourth proportional to 8,295.60, 11,447.73 and 4,758.60 is: 6,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.60 : 11,447.73 = 4,758.60 : x
  2. Step 2: Convert to fraction form
    8,295.60/11,447.73 = 4,758.60/x
  3. Step 3: Cross multiply
    8,295.60x = 11,447.73 × 4,758.60
  4. Step 4: Simplify right side
    8,295.60x = 54,475,167.98
  5. Step 5: Solve for x
    x = 54,475,167.98/8,295.60
  6. Step 6: Final answer
    x = 6,566.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.