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Finding the Fourth Proportional to 5,861.32, 8,774.76 and 3,663.40

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Solution

The fourth proportional to 5,861.32, 8,774.76 and 3,663.40 is: 5,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.32 : 8,774.76 = 3,663.40 : x
  2. Step 2: Convert to fraction form
    5,861.32/8,774.76 = 3,663.40/x
  3. Step 3: Cross multiply
    5,861.32x = 8,774.76 × 3,663.40
  4. Step 4: Simplify right side
    5,861.32x = 32,145,455.78
  5. Step 5: Solve for x
    x = 32,145,455.78/5,861.32
  6. Step 6: Final answer
    x = 5,484.34

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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.