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Finding the Fourth Proportional to 8,652.60, 11,940.81 and 5,295.34

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Solution

The fourth proportional to 8,652.60, 11,940.81 and 5,295.34 is: 7,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.60 : 11,940.81 = 5,295.34 : x
  2. Step 2: Convert to fraction form
    8,652.60/11,940.81 = 5,295.34/x
  3. Step 3: Cross multiply
    8,652.60x = 11,940.81 × 5,295.34
  4. Step 4: Simplify right side
    8,652.60x = 63,230,648.83
  5. Step 5: Solve for x
    x = 63,230,648.83/8,652.60
  6. Step 6: Final answer
    x = 7,307.71

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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.