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Finding the Fourth Proportional to 1,850.40, 2,773.77 and 924.57

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Solution

The fourth proportional to 1,850.40, 2,773.77 and 924.57 is: 1,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.40 : 2,773.77 = 924.57 : x
  2. Step 2: Convert to fraction form
    1,850.40/2,773.77 = 924.57/x
  3. Step 3: Cross multiply
    1,850.40x = 2,773.77 × 924.57
  4. Step 4: Simplify right side
    1,850.40x = 2,564,544.53
  5. Step 5: Solve for x
    x = 2,564,544.53/1,850.40
  6. Step 6: Final answer
    x = 1,385.94

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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.