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Finding the Fourth Proportional to 1,808.65, 2,495.49 and 1,062.64

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Solution

The fourth proportional to 1,808.65, 2,495.49 and 1,062.64 is: 1,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.65 : 2,495.49 = 1,062.64 : x
  2. Step 2: Convert to fraction form
    1,808.65/2,495.49 = 1,062.64/x
  3. Step 3: Cross multiply
    1,808.65x = 2,495.49 × 1,062.64
  4. Step 4: Simplify right side
    1,808.65x = 2,651,795.02
  5. Step 5: Solve for x
    x = 2,651,795.02/1,808.65
  6. Step 6: Final answer
    x = 1,466.18

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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.