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Finding the Fourth Proportional to 7,600.80, 10,484.88 and 4,801.44

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Solution

The fourth proportional to 7,600.80, 10,484.88 and 4,801.44 is: 6,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.80 : 10,484.88 = 4,801.44 : x
  2. Step 2: Convert to fraction form
    7,600.80/10,484.88 = 4,801.44/x
  3. Step 3: Cross multiply
    7,600.80x = 10,484.88 × 4,801.44
  4. Step 4: Simplify right side
    7,600.80x = 50,342,522.23
  5. Step 5: Solve for x
    x = 50,342,522.23/7,600.80
  6. Step 6: Final answer
    x = 6,623.32

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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.