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Finding the Fourth Proportional to 12,495.52, 18,746.24 and 3,730.66

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Solution

The fourth proportional to 12,495.52, 18,746.24 and 3,730.66 is: 5,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.52 : 18,746.24 = 3,730.66 : x
  2. Step 2: Convert to fraction form
    12,495.52/18,746.24 = 3,730.66/x
  3. Step 3: Cross multiply
    12,495.52x = 18,746.24 × 3,730.66
  4. Step 4: Simplify right side
    12,495.52x = 69,935,782.20
  5. Step 5: Solve for x
    x = 69,935,782.20/12,495.52
  6. Step 6: Final answer
    x = 5,596.87

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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.