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Finding the Fourth Proportional to 18,798.93, 25,942.95 and 10,301.22

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Solution

The fourth proportional to 18,798.93, 25,942.95 and 10,301.22 is: 14,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.93 : 25,942.95 = 10,301.22 : x
  2. Step 2: Convert to fraction form
    18,798.93/25,942.95 = 10,301.22/x
  3. Step 3: Cross multiply
    18,798.93x = 25,942.95 × 10,301.22
  4. Step 4: Simplify right side
    18,798.93x = 267,244,035.40
  5. Step 5: Solve for x
    x = 267,244,035.40/18,798.93
  6. Step 6: Final answer
    x = 14,215.92

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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.