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Finding the Fourth Proportional to 6,615.43, 9,924.99 and 5,394.37

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Solution

The fourth proportional to 6,615.43, 9,924.99 and 5,394.37 is: 8,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.43 : 9,924.99 = 5,394.37 : x
  2. Step 2: Convert to fraction form
    6,615.43/9,924.99 = 5,394.37/x
  3. Step 3: Cross multiply
    6,615.43x = 9,924.99 × 5,394.37
  4. Step 4: Simplify right side
    6,615.43x = 53,539,068.31
  5. Step 5: Solve for x
    x = 53,539,068.31/6,615.43
  6. Step 6: Final answer
    x = 8,093.06

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1.5x scale

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.