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Finding the Fourth Proportional to 7,358.96, 11,029.08 and 3,458

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Solution

The fourth proportional to 7,358.96, 11,029.08 and 3,458 is: 5,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.96 : 11,029.08 = 3,458 : x
  2. Step 2: Convert to fraction form
    7,358.96/11,029.08 = 3,458/x
  3. Step 3: Cross multiply
    7,358.96x = 11,029.08 × 3,458
  4. Step 4: Simplify right side
    7,358.96x = 38,138,558.64
  5. Step 5: Solve for x
    x = 38,138,558.64/7,358.96
  6. Step 6: Final answer
    x = 5,182.60

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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.