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Finding the Fourth Proportional to 5,000.94, 7,490.48 and 3,147.46

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Solution

The fourth proportional to 5,000.94, 7,490.48 and 3,147.46 is: 4,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.94 : 7,490.48 = 3,147.46 : x
  2. Step 2: Convert to fraction form
    5,000.94/7,490.48 = 3,147.46/x
  3. Step 3: Cross multiply
    5,000.94x = 7,490.48 × 3,147.46
  4. Step 4: Simplify right side
    5,000.94x = 23,575,951.72
  5. Step 5: Solve for x
    x = 23,575,951.72/5,000.94
  6. Step 6: Final answer
    x = 4,714.30

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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.