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Finding the Fourth Proportional to 8,802.14, 13,203.20 and 3,611.66

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Solution

The fourth proportional to 8,802.14, 13,203.20 and 3,611.66 is: 5,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.14 : 13,203.20 = 3,611.66 : x
  2. Step 2: Convert to fraction form
    8,802.14/13,203.20 = 3,611.66/x
  3. Step 3: Cross multiply
    8,802.14x = 13,203.20 × 3,611.66
  4. Step 4: Simplify right side
    8,802.14x = 47,685,412.33
  5. Step 5: Solve for x
    x = 47,685,412.33/8,802.14
  6. Step 6: Final answer
    x = 5,417.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.