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Finding the Fourth Proportional to 5,019.72, 7,529.58 and 1,941

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Solution

The fourth proportional to 5,019.72, 7,529.58 and 1,941 is: 2,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.72 : 7,529.58 = 1,941 : x
  2. Step 2: Convert to fraction form
    5,019.72/7,529.58 = 1,941/x
  3. Step 3: Cross multiply
    5,019.72x = 7,529.58 × 1,941
  4. Step 4: Simplify right side
    5,019.72x = 14,614,914.78
  5. Step 5: Solve for x
    x = 14,614,914.78/5,019.72
  6. Step 6: Final answer
    x = 2,911.50

Related Problems

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Half scale
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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.