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Finding the Fourth Proportional to 11,477.30, 17,169.90 and 9,934.08

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Solution

The fourth proportional to 11,477.30, 17,169.90 and 9,934.08 is: 14,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.30 : 17,169.90 = 9,934.08 : x
  2. Step 2: Convert to fraction form
    11,477.30/17,169.90 = 9,934.08/x
  3. Step 3: Cross multiply
    11,477.30x = 17,169.90 × 9,934.08
  4. Step 4: Simplify right side
    11,477.30x = 170,567,160.19
  5. Step 5: Solve for x
    x = 170,567,160.19/11,477.30
  6. Step 6: Final answer
    x = 14,861.26

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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.