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Finding the Fourth Proportional to 6,260.48, 9,391 and 1,643.52

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Solution

The fourth proportional to 6,260.48, 9,391 and 1,643.52 is: 2,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.48 : 9,391 = 1,643.52 : x
  2. Step 2: Convert to fraction form
    6,260.48/9,391 = 1,643.52/x
  3. Step 3: Cross multiply
    6,260.48x = 9,391 × 1,643.52
  4. Step 4: Simplify right side
    6,260.48x = 15,434,296.32
  5. Step 5: Solve for x
    x = 15,434,296.32/6,260.48
  6. Step 6: Final answer
    x = 2,465.35

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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.