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Finding the Fourth Proportional to 1,495.88, 2,064.24 and 832.80

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Solution

The fourth proportional to 1,495.88, 2,064.24 and 832.80 is: 1,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.88 : 2,064.24 = 832.80 : x
  2. Step 2: Convert to fraction form
    1,495.88/2,064.24 = 832.80/x
  3. Step 3: Cross multiply
    1,495.88x = 2,064.24 × 832.80
  4. Step 4: Simplify right side
    1,495.88x = 1,719,099.07
  5. Step 5: Solve for x
    x = 1,719,099.07/1,495.88
  6. Step 6: Final answer
    x = 1,149.22

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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.