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Finding the Fourth Proportional to 3,157.34, 4,358.07 and 3,000.60

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Solution

The fourth proportional to 3,157.34, 4,358.07 and 3,000.60 is: 4,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.34 : 4,358.07 = 3,000.60 : x
  2. Step 2: Convert to fraction form
    3,157.34/4,358.07 = 3,000.60/x
  3. Step 3: Cross multiply
    3,157.34x = 4,358.07 × 3,000.60
  4. Step 4: Simplify right side
    3,157.34x = 13,076,824.84
  5. Step 5: Solve for x
    x = 13,076,824.84/3,157.34
  6. Step 6: Final answer
    x = 4,141.73

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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.