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Finding the Fourth Proportional to 3,094.05, 4,641.08 and 902.81

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Solution

The fourth proportional to 3,094.05, 4,641.08 and 902.81 is: 1,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.05 : 4,641.08 = 902.81 : x
  2. Step 2: Convert to fraction form
    3,094.05/4,641.08 = 902.81/x
  3. Step 3: Cross multiply
    3,094.05x = 4,641.08 × 902.81
  4. Step 4: Simplify right side
    3,094.05x = 4,189,985.72
  5. Step 5: Solve for x
    x = 4,189,985.72/3,094.05
  6. Step 6: Final answer
    x = 1,354.21

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Double scale
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Similar ratio
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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.