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Finding the Fourth Proportional to 14,189.37, 19,583.28 and 8,600.37

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Solution

The fourth proportional to 14,189.37, 19,583.28 and 8,600.37 is: 11,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.37 : 19,583.28 = 8,600.37 : x
  2. Step 2: Convert to fraction form
    14,189.37/19,583.28 = 8,600.37/x
  3. Step 3: Cross multiply
    14,189.37x = 19,583.28 × 8,600.37
  4. Step 4: Simplify right side
    14,189.37x = 168,423,453.81
  5. Step 5: Solve for x
    x = 168,423,453.81/14,189.37
  6. Step 6: Final answer
    x = 11,869.69

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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.