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Finding the Fourth Proportional to 8,941.44, 12,337.92 and 5,214.72

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Solution

The fourth proportional to 8,941.44, 12,337.92 and 5,214.72 is: 7,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.44 : 12,337.92 = 5,214.72 : x
  2. Step 2: Convert to fraction form
    8,941.44/12,337.92 = 5,214.72/x
  3. Step 3: Cross multiply
    8,941.44x = 12,337.92 × 5,214.72
  4. Step 4: Simplify right side
    8,941.44x = 64,338,798.18
  5. Step 5: Solve for x
    x = 64,338,798.18/8,941.44
  6. Step 6: Final answer
    x = 7,195.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.