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Finding the Fourth Proportional to 1,884.84, 2,828.07 and 1,019.76

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Solution

The fourth proportional to 1,884.84, 2,828.07 and 1,019.76 is: 1,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.84 : 2,828.07 = 1,019.76 : x
  2. Step 2: Convert to fraction form
    1,884.84/2,828.07 = 1,019.76/x
  3. Step 3: Cross multiply
    1,884.84x = 2,828.07 × 1,019.76
  4. Step 4: Simplify right side
    1,884.84x = 2,883,952.66
  5. Step 5: Solve for x
    x = 2,883,952.66/1,884.84
  6. Step 6: Final answer
    x = 1,530.08

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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.