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Finding the Fourth Proportional to 9,907.63, 14,863.39 and 3,667.70

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Solution

The fourth proportional to 9,907.63, 14,863.39 and 3,667.70 is: 5,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.63 : 14,863.39 = 3,667.70 : x
  2. Step 2: Convert to fraction form
    9,907.63/14,863.39 = 3,667.70/x
  3. Step 3: Cross multiply
    9,907.63x = 14,863.39 × 3,667.70
  4. Step 4: Simplify right side
    9,907.63x = 54,514,367.43
  5. Step 5: Solve for x
    x = 54,514,367.43/9,907.63
  6. Step 6: Final answer
    x = 5,502.26

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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.