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Finding the Fourth Proportional to 3,094.63, 4,641.45 and 902.85

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Solution

The fourth proportional to 3,094.63, 4,641.45 and 902.85 is: 1,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.63 : 4,641.45 = 902.85 : x
  2. Step 2: Convert to fraction form
    3,094.63/4,641.45 = 902.85/x
  3. Step 3: Cross multiply
    3,094.63x = 4,641.45 × 902.85
  4. Step 4: Simplify right side
    3,094.63x = 4,190,517.42
  5. Step 5: Solve for x
    x = 4,190,517.42/3,094.63
  6. Step 6: Final answer
    x = 1,354.13

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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.