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Finding the Fourth Proportional to 8,651.40, 11,941.62 and 5,295.24

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Solution

The fourth proportional to 8,651.40, 11,941.62 and 5,295.24 is: 7,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.40 : 11,941.62 = 5,295.24 : x
  2. Step 2: Convert to fraction form
    8,651.40/11,941.62 = 5,295.24/x
  3. Step 3: Cross multiply
    8,651.40x = 11,941.62 × 5,295.24
  4. Step 4: Simplify right side
    8,651.40x = 63,233,743.89
  5. Step 5: Solve for x
    x = 63,233,743.89/8,651.40
  6. Step 6: Final answer
    x = 7,309.08

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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.