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Finding the Fourth Proportional to 1,505.23, 2,077.11 and 833.02

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Solution

The fourth proportional to 1,505.23, 2,077.11 and 833.02 is: 1,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.23 : 2,077.11 = 833.02 : x
  2. Step 2: Convert to fraction form
    1,505.23/2,077.11 = 833.02/x
  3. Step 3: Cross multiply
    1,505.23x = 2,077.11 × 833.02
  4. Step 4: Simplify right side
    1,505.23x = 1,730,268.98
  5. Step 5: Solve for x
    x = 1,730,268.98/1,505.23
  6. Step 6: Final answer
    x = 1,149.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.