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Finding the Fourth Proportional to 4,855.92, 6,700.77 and 2,866.56

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Solution

The fourth proportional to 4,855.92, 6,700.77 and 2,866.56 is: 3,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.92 : 6,700.77 = 2,866.56 : x
  2. Step 2: Convert to fraction form
    4,855.92/6,700.77 = 2,866.56/x
  3. Step 3: Cross multiply
    4,855.92x = 6,700.77 × 2,866.56
  4. Step 4: Simplify right side
    4,855.92x = 19,208,159.25
  5. Step 5: Solve for x
    x = 19,208,159.25/4,855.92
  6. Step 6: Final answer
    x = 3,955.62

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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.