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Finding the Fourth Proportional to 1,824.19, 2,736.25 and 525.65

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Solution

The fourth proportional to 1,824.19, 2,736.25 and 525.65 is: 788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.19 : 2,736.25 = 525.65 : x
  2. Step 2: Convert to fraction form
    1,824.19/2,736.25 = 525.65/x
  3. Step 3: Cross multiply
    1,824.19x = 2,736.25 × 525.65
  4. Step 4: Simplify right side
    1,824.19x = 1,438,309.81
  5. Step 5: Solve for x
    x = 1,438,309.81/1,824.19
  6. Step 6: Final answer
    x = 788.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.