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Finding the Fourth Proportional to 9,513.08, 14,269.66 and 2,939.08

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Solution

The fourth proportional to 9,513.08, 14,269.66 and 2,939.08 is: 4,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.08 : 14,269.66 = 2,939.08 : x
  2. Step 2: Convert to fraction form
    9,513.08/14,269.66 = 2,939.08/x
  3. Step 3: Cross multiply
    9,513.08x = 14,269.66 × 2,939.08
  4. Step 4: Simplify right side
    9,513.08x = 41,939,672.31
  5. Step 5: Solve for x
    x = 41,939,672.31/9,513.08
  6. Step 6: Final answer
    x = 4,408.63

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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.