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Finding the Fourth Proportional to 5,303.91, 7,958.16 and 2,018.01

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Solution

The fourth proportional to 5,303.91, 7,958.16 and 2,018.01 is: 3,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.91 : 7,958.16 = 2,018.01 : x
  2. Step 2: Convert to fraction form
    5,303.91/7,958.16 = 2,018.01/x
  3. Step 3: Cross multiply
    5,303.91x = 7,958.16 × 2,018.01
  4. Step 4: Simplify right side
    5,303.91x = 16,059,646.46
  5. Step 5: Solve for x
    x = 16,059,646.46/5,303.91
  6. Step 6: Final answer
    x = 3,027.89

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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.