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Finding the Fourth Proportional to 8,941.87, 13,412.80 and 2,368.57

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Solution

The fourth proportional to 8,941.87, 13,412.80 and 2,368.57 is: 3,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.87 : 13,412.80 = 2,368.57 : x
  2. Step 2: Convert to fraction form
    8,941.87/13,412.80 = 2,368.57/x
  3. Step 3: Cross multiply
    8,941.87x = 13,412.80 × 2,368.57
  4. Step 4: Simplify right side
    8,941.87x = 31,769,128.09
  5. Step 5: Solve for x
    x = 31,769,128.09/8,941.87
  6. Step 6: Final answer
    x = 3,552.85

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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.