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Finding the Fourth Proportional to 8,589.82, 11,852.13 and 5,051.74

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Solution

The fourth proportional to 8,589.82, 11,852.13 and 5,051.74 is: 6,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.82 : 11,852.13 = 5,051.74 : x
  2. Step 2: Convert to fraction form
    8,589.82/11,852.13 = 5,051.74/x
  3. Step 3: Cross multiply
    8,589.82x = 11,852.13 × 5,051.74
  4. Step 4: Simplify right side
    8,589.82x = 59,873,879.21
  5. Step 5: Solve for x
    x = 59,873,879.21/8,589.82
  6. Step 6: Final answer
    x = 6,970.33

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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.