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Finding the Fourth Proportional to 8,995.66, 13,488 and 3,726.52

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Solution

The fourth proportional to 8,995.66, 13,488 and 3,726.52 is: 5,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.66 : 13,488 = 3,726.52 : x
  2. Step 2: Convert to fraction form
    8,995.66/13,488 = 3,726.52/x
  3. Step 3: Cross multiply
    8,995.66x = 13,488 × 3,726.52
  4. Step 4: Simplify right side
    8,995.66x = 50,263,301.76
  5. Step 5: Solve for x
    x = 50,263,301.76/8,995.66
  6. Step 6: Final answer
    x = 5,587.51

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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.