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Finding the Fourth Proportional to 8,395.88, 11,586.51 and 4,619.25

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Solution

The fourth proportional to 8,395.88, 11,586.51 and 4,619.25 is: 6,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.88 : 11,586.51 = 4,619.25 : x
  2. Step 2: Convert to fraction form
    8,395.88/11,586.51 = 4,619.25/x
  3. Step 3: Cross multiply
    8,395.88x = 11,586.51 × 4,619.25
  4. Step 4: Simplify right side
    8,395.88x = 53,521,003.74
  5. Step 5: Solve for x
    x = 53,521,003.74/8,395.88
  6. Step 6: Final answer
    x = 6,374.68

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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.