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Finding the Fourth Proportional to 5,754.84, 8,633.47 and 1,858.94

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Solution

The fourth proportional to 5,754.84, 8,633.47 and 1,858.94 is: 2,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.84 : 8,633.47 = 1,858.94 : x
  2. Step 2: Convert to fraction form
    5,754.84/8,633.47 = 1,858.94/x
  3. Step 3: Cross multiply
    5,754.84x = 8,633.47 × 1,858.94
  4. Step 4: Simplify right side
    5,754.84x = 16,049,102.72
  5. Step 5: Solve for x
    x = 16,049,102.72/5,754.84
  6. Step 6: Final answer
    x = 2,788.80

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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.