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Finding the Fourth Proportional to 2,954.07, 4,431.10 and 902.07

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Solution

The fourth proportional to 2,954.07, 4,431.10 and 902.07 is: 1,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.07 : 4,431.10 = 902.07 : x
  2. Step 2: Convert to fraction form
    2,954.07/4,431.10 = 902.07/x
  3. Step 3: Cross multiply
    2,954.07x = 4,431.10 × 902.07
  4. Step 4: Simplify right side
    2,954.07x = 3,997,162.38
  5. Step 5: Solve for x
    x = 3,997,162.38/2,954.07
  6. Step 6: Final answer
    x = 1,353.10

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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.