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Finding the Fourth Proportional to 1,828.95, 2,744.15 and 904.48

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Solution

The fourth proportional to 1,828.95, 2,744.15 and 904.48 is: 1,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.95 : 2,744.15 = 904.48 : x
  2. Step 2: Convert to fraction form
    1,828.95/2,744.15 = 904.48/x
  3. Step 3: Cross multiply
    1,828.95x = 2,744.15 × 904.48
  4. Step 4: Simplify right side
    1,828.95x = 2,482,028.79
  5. Step 5: Solve for x
    x = 2,482,028.79/1,828.95
  6. Step 6: Final answer
    x = 1,357.08

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Why These Related Problems?

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