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Finding the Fourth Proportional to 4,963.78, 7,442.63 and 2,003.58

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Solution

The fourth proportional to 4,963.78, 7,442.63 and 2,003.58 is: 3,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.78 : 7,442.63 = 2,003.58 : x
  2. Step 2: Convert to fraction form
    4,963.78/7,442.63 = 2,003.58/x
  3. Step 3: Cross multiply
    4,963.78x = 7,442.63 × 2,003.58
  4. Step 4: Simplify right side
    4,963.78x = 14,911,894.60
  5. Step 5: Solve for x
    x = 14,911,894.60/4,963.78
  6. Step 6: Final answer
    x = 3,004.14

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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.