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Finding the Fourth Proportional to 3,045.99, 4,568.99 and 854.77

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Solution

The fourth proportional to 3,045.99, 4,568.99 and 854.77 is: 1,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.99 : 4,568.99 = 854.77 : x
  2. Step 2: Convert to fraction form
    3,045.99/4,568.99 = 854.77/x
  3. Step 3: Cross multiply
    3,045.99x = 4,568.99 × 854.77
  4. Step 4: Simplify right side
    3,045.99x = 3,905,435.58
  5. Step 5: Solve for x
    x = 3,905,435.58/3,045.99
  6. Step 6: Final answer
    x = 1,282.16

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Similar ratio
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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.