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Finding the Fourth Proportional to 1,511.94, 2,266.68 and 587.02

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Solution

The fourth proportional to 1,511.94, 2,266.68 and 587.02 is: 880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.94 : 2,266.68 = 587.02 : x
  2. Step 2: Convert to fraction form
    1,511.94/2,266.68 = 587.02/x
  3. Step 3: Cross multiply
    1,511.94x = 2,266.68 × 587.02
  4. Step 4: Simplify right side
    1,511.94x = 1,330,586.49
  5. Step 5: Solve for x
    x = 1,330,586.49/1,511.94
  6. Step 6: Final answer
    x = 880.05

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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.