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Finding the Fourth Proportional to 1,777.89, 2,453.79 and 1,032.08

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Solution

The fourth proportional to 1,777.89, 2,453.79 and 1,032.08 is: 1,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.89 : 2,453.79 = 1,032.08 : x
  2. Step 2: Convert to fraction form
    1,777.89/2,453.79 = 1,032.08/x
  3. Step 3: Cross multiply
    1,777.89x = 2,453.79 × 1,032.08
  4. Step 4: Simplify right side
    1,777.89x = 2,532,507.58
  5. Step 5: Solve for x
    x = 2,532,507.58/1,777.89
  6. Step 6: Final answer
    x = 1,424.45

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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.