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Finding the Fourth Proportional to 4,893.78, 7,344.30 and 3,047.58

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Solution

The fourth proportional to 4,893.78, 7,344.30 and 3,047.58 is: 4,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.78 : 7,344.30 = 3,047.58 : x
  2. Step 2: Convert to fraction form
    4,893.78/7,344.30 = 3,047.58/x
  3. Step 3: Cross multiply
    4,893.78x = 7,344.30 × 3,047.58
  4. Step 4: Simplify right side
    4,893.78x = 22,382,341.79
  5. Step 5: Solve for x
    x = 22,382,341.79/4,893.78
  6. Step 6: Final answer
    x = 4,573.63

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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.