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Finding the Fourth Proportional to 3,435.01, 5,152.36 and 1,679.48

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Solution

The fourth proportional to 3,435.01, 5,152.36 and 1,679.48 is: 2,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.01 : 5,152.36 = 1,679.48 : x
  2. Step 2: Convert to fraction form
    3,435.01/5,152.36 = 1,679.48/x
  3. Step 3: Cross multiply
    3,435.01x = 5,152.36 × 1,679.48
  4. Step 4: Simplify right side
    3,435.01x = 8,653,307.06
  5. Step 5: Solve for x
    x = 8,653,307.06/3,435.01
  6. Step 6: Final answer
    x = 2,519.15

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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.