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Finding the Fourth Proportional to 2,351.08, 3,526.62 and 619.84

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Solution

The fourth proportional to 2,351.08, 3,526.62 and 619.84 is: 929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.08 : 3,526.62 = 619.84 : x
  2. Step 2: Convert to fraction form
    2,351.08/3,526.62 = 619.84/x
  3. Step 3: Cross multiply
    2,351.08x = 3,526.62 × 619.84
  4. Step 4: Simplify right side
    2,351.08x = 2,185,940.14
  5. Step 5: Solve for x
    x = 2,185,940.14/2,351.08
  6. Step 6: Final answer
    x = 929.76

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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.