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Finding the Fourth Proportional to 9,181.71, 13,772.52 and 2,941.65

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Solution

The fourth proportional to 9,181.71, 13,772.52 and 2,941.65 is: 4,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.71 : 13,772.52 = 2,941.65 : x
  2. Step 2: Convert to fraction form
    9,181.71/13,772.52 = 2,941.65/x
  3. Step 3: Cross multiply
    9,181.71x = 13,772.52 × 2,941.65
  4. Step 4: Simplify right side
    9,181.71x = 40,513,933.46
  5. Step 5: Solve for x
    x = 40,513,933.46/9,181.71
  6. Step 6: Final answer
    x = 4,412.46

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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.