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Finding the Fourth Proportional to 2,888.63, 4,329.77 and 1,133.11

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Solution

The fourth proportional to 2,888.63, 4,329.77 and 1,133.11 is: 1,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.63 : 4,329.77 = 1,133.11 : x
  2. Step 2: Convert to fraction form
    2,888.63/4,329.77 = 1,133.11/x
  3. Step 3: Cross multiply
    2,888.63x = 4,329.77 × 1,133.11
  4. Step 4: Simplify right side
    2,888.63x = 4,906,084.04
  5. Step 5: Solve for x
    x = 4,906,084.04/2,888.63
  6. Step 6: Final answer
    x = 1,698.41

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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.