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Finding the Fourth Proportional to 4,961.49, 7,445.47 and 2,364.63

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Solution

The fourth proportional to 4,961.49, 7,445.47 and 2,364.63 is: 3,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.49 : 7,445.47 = 2,364.63 : x
  2. Step 2: Convert to fraction form
    4,961.49/7,445.47 = 2,364.63/x
  3. Step 3: Cross multiply
    4,961.49x = 7,445.47 × 2,364.63
  4. Step 4: Simplify right side
    4,961.49x = 17,605,781.73
  5. Step 5: Solve for x
    x = 17,605,781.73/4,961.49
  6. Step 6: Final answer
    x = 3,548.49

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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.