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Finding the Fourth Proportional to 4,659.73, 6,430.44 and 2,670.25

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Solution

The fourth proportional to 4,659.73, 6,430.44 and 2,670.25 is: 3,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.73 : 6,430.44 = 2,670.25 : x
  2. Step 2: Convert to fraction form
    4,659.73/6,430.44 = 2,670.25/x
  3. Step 3: Cross multiply
    4,659.73x = 6,430.44 × 2,670.25
  4. Step 4: Simplify right side
    4,659.73x = 17,170,882.41
  5. Step 5: Solve for x
    x = 17,170,882.41/4,659.73
  6. Step 6: Final answer
    x = 3,684.95

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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.