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Finding the Fourth Proportional to 1,951.15, 2,926.15 and 564.50

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Solution

The fourth proportional to 1,951.15, 2,926.15 and 564.50 is: 846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.15 : 2,926.15 = 564.50 : x
  2. Step 2: Convert to fraction form
    1,951.15/2,926.15 = 564.50/x
  3. Step 3: Cross multiply
    1,951.15x = 2,926.15 × 564.50
  4. Step 4: Simplify right side
    1,951.15x = 1,651,811.68
  5. Step 5: Solve for x
    x = 1,651,811.68/1,951.15
  6. Step 6: Final answer
    x = 846.58

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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.