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Finding the Fourth Proportional to 4,255.74, 5,866.74 and 2,992.95

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Solution

The fourth proportional to 4,255.74, 5,866.74 and 2,992.95 is: 4,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.74 : 5,866.74 = 2,992.95 : x
  2. Step 2: Convert to fraction form
    4,255.74/5,866.74 = 2,992.95/x
  3. Step 3: Cross multiply
    4,255.74x = 5,866.74 × 2,992.95
  4. Step 4: Simplify right side
    4,255.74x = 17,558,859.48
  5. Step 5: Solve for x
    x = 17,558,859.48/4,255.74
  6. Step 6: Final answer
    x = 4,125.92

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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.