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Finding the Fourth Proportional to 18,600.13, 27,865.01 and 14,419.67

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Solution

The fourth proportional to 18,600.13, 27,865.01 and 14,419.67 is: 21,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.13 : 27,865.01 = 14,419.67 : x
  2. Step 2: Convert to fraction form
    18,600.13/27,865.01 = 14,419.67/x
  3. Step 3: Cross multiply
    18,600.13x = 27,865.01 × 14,419.67
  4. Step 4: Simplify right side
    18,600.13x = 401,804,302.21
  5. Step 5: Solve for x
    x = 401,804,302.21/18,600.13
  6. Step 6: Final answer
    x = 21,602.23

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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.