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Finding the Fourth Proportional to 4,474.81, 6,174.00 and 2,798.68

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Solution

The fourth proportional to 4,474.81, 6,174.00 and 2,798.68 is: 3,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.81 : 6,174.00 = 2,798.68 : x
  2. Step 2: Convert to fraction form
    4,474.81/6,174.00 = 2,798.68/x
  3. Step 3: Cross multiply
    4,474.81x = 6,174.00 × 2,798.68
  4. Step 4: Simplify right side
    4,474.81x = 17,279,038.94
  5. Step 5: Solve for x
    x = 17,279,038.94/4,474.81
  6. Step 6: Final answer
    x = 3,861.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.