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Finding the Fourth Proportional to 4,798.22, 6,621.63 and 2,702.42

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Solution

The fourth proportional to 4,798.22, 6,621.63 and 2,702.42 is: 3,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.22 : 6,621.63 = 2,702.42 : x
  2. Step 2: Convert to fraction form
    4,798.22/6,621.63 = 2,702.42/x
  3. Step 3: Cross multiply
    4,798.22x = 6,621.63 × 2,702.42
  4. Step 4: Simplify right side
    4,798.22x = 17,894,425.34
  5. Step 5: Solve for x
    x = 17,894,425.34/4,798.22
  6. Step 6: Final answer
    x = 3,729.39

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1.5x scale

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.