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Finding the Fourth Proportional to 4,661.94, 6,992.88 and 1,888.58

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Solution

The fourth proportional to 4,661.94, 6,992.88 and 1,888.58 is: 2,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.94 : 6,992.88 = 1,888.58 : x
  2. Step 2: Convert to fraction form
    4,661.94/6,992.88 = 1,888.58/x
  3. Step 3: Cross multiply
    4,661.94x = 6,992.88 × 1,888.58
  4. Step 4: Simplify right side
    4,661.94x = 13,206,578.35
  5. Step 5: Solve for x
    x = 13,206,578.35/4,661.94
  6. Step 6: Final answer
    x = 2,832.85

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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.