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Finding the Fourth Proportional to 12,593.52, 18,890.64 and 7,395.84

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Solution

The fourth proportional to 12,593.52, 18,890.64 and 7,395.84 is: 11,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.52 : 18,890.64 = 7,395.84 : x
  2. Step 2: Convert to fraction form
    12,593.52/18,890.64 = 7,395.84/x
  3. Step 3: Cross multiply
    12,593.52x = 18,890.64 × 7,395.84
  4. Step 4: Simplify right side
    12,593.52x = 139,712,150.94
  5. Step 5: Solve for x
    x = 139,712,150.94/12,593.52
  6. Step 6: Final answer
    x = 11,093.97

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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.