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Finding the Fourth Proportional to 8,157.85, 12,237.24 and 2,314

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Solution

The fourth proportional to 8,157.85, 12,237.24 and 2,314 is: 3,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.85 : 12,237.24 = 2,314 : x
  2. Step 2: Convert to fraction form
    8,157.85/12,237.24 = 2,314/x
  3. Step 3: Cross multiply
    8,157.85x = 12,237.24 × 2,314
  4. Step 4: Simplify right side
    8,157.85x = 28,316,973.36
  5. Step 5: Solve for x
    x = 28,316,973.36/8,157.85
  6. Step 6: Final answer
    x = 3,471.13

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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.