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Finding the Fourth Proportional to 14,394.09, 21,594.08 and 5,508.79

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Solution

The fourth proportional to 14,394.09, 21,594.08 and 5,508.79 is: 8,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.09 : 21,594.08 = 5,508.79 : x
  2. Step 2: Convert to fraction form
    14,394.09/21,594.08 = 5,508.79/x
  3. Step 3: Cross multiply
    14,394.09x = 21,594.08 × 5,508.79
  4. Step 4: Simplify right side
    14,394.09x = 118,957,251.96
  5. Step 5: Solve for x
    x = 118,957,251.96/14,394.09
  6. Step 6: Final answer
    x = 8,264.31

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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.