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Finding the Fourth Proportional to 3,093.24, 4,640.64 and 902.16

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Solution

The fourth proportional to 3,093.24, 4,640.64 and 902.16 is: 1,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.24 : 4,640.64 = 902.16 : x
  2. Step 2: Convert to fraction form
    3,093.24/4,640.64 = 902.16/x
  3. Step 3: Cross multiply
    3,093.24x = 4,640.64 × 902.16
  4. Step 4: Simplify right side
    3,093.24x = 4,186,599.78
  5. Step 5: Solve for x
    x = 4,186,599.78/3,093.24
  6. Step 6: Final answer
    x = 1,353.47

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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.