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Finding the Fourth Proportional to 23,428.28, 35,145.15 and 23,428.28

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Solution

The fourth proportional to 23,428.28, 35,145.15 and 23,428.28 is: 35,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.28 : 35,145.15 = 23,428.28 : x
  2. Step 2: Convert to fraction form
    23,428.28/35,145.15 = 23,428.28/x
  3. Step 3: Cross multiply
    23,428.28x = 35,145.15 × 23,428.28
  4. Step 4: Simplify right side
    23,428.28x = 823,390,121.97
  5. Step 5: Solve for x
    x = 823,390,121.97/23,428.28
  6. Step 6: Final answer
    x = 35,145.15

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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.