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Finding the Fourth Proportional to 9,747, 14,613.20 and 3,169.26

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Solution

The fourth proportional to 9,747, 14,613.20 and 3,169.26 is: 4,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747 : 14,613.20 = 3,169.26 : x
  2. Step 2: Convert to fraction form
    9,747/14,613.20 = 3,169.26/x
  3. Step 3: Cross multiply
    9,747x = 14,613.20 × 3,169.26
  4. Step 4: Simplify right side
    9,747x = 46,313,030.23
  5. Step 5: Solve for x
    x = 46,313,030.23/9,747
  6. Step 6: Final answer
    x = 4,751.52

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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.