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Finding the Fourth Proportional to 4,944.08, 7,416.12 and 1,657.18

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Solution

The fourth proportional to 4,944.08, 7,416.12 and 1,657.18 is: 2,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.08 : 7,416.12 = 1,657.18 : x
  2. Step 2: Convert to fraction form
    4,944.08/7,416.12 = 1,657.18/x
  3. Step 3: Cross multiply
    4,944.08x = 7,416.12 × 1,657.18
  4. Step 4: Simplify right side
    4,944.08x = 12,289,861.23
  5. Step 5: Solve for x
    x = 12,289,861.23/4,944.08
  6. Step 6: Final answer
    x = 2,485.77

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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.