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Finding the Fourth Proportional to 1,888.68, 2,834.28 and 1,476.84

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Solution

The fourth proportional to 1,888.68, 2,834.28 and 1,476.84 is: 2,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.68 : 2,834.28 = 1,476.84 : x
  2. Step 2: Convert to fraction form
    1,888.68/2,834.28 = 1,476.84/x
  3. Step 3: Cross multiply
    1,888.68x = 2,834.28 × 1,476.84
  4. Step 4: Simplify right side
    1,888.68x = 4,185,778.08
  5. Step 5: Solve for x
    x = 4,185,778.08/1,888.68
  6. Step 6: Final answer
    x = 2,216.25

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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.