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Finding the Fourth Proportional to 1,333.95, 2,000.93 and 845.97

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Solution

The fourth proportional to 1,333.95, 2,000.93 and 845.97 is: 1,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.95 : 2,000.93 = 845.97 : x
  2. Step 2: Convert to fraction form
    1,333.95/2,000.93 = 845.97/x
  3. Step 3: Cross multiply
    1,333.95x = 2,000.93 × 845.97
  4. Step 4: Simplify right side
    1,333.95x = 1,692,726.75
  5. Step 5: Solve for x
    x = 1,692,726.75/1,333.95
  6. Step 6: Final answer
    x = 1,268.96

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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.