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Finding the Fourth Proportional to 1,675.16, 2,511.16 and 852.47

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Solution

The fourth proportional to 1,675.16, 2,511.16 and 852.47 is: 1,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.16 : 2,511.16 = 852.47 : x
  2. Step 2: Convert to fraction form
    1,675.16/2,511.16 = 852.47/x
  3. Step 3: Cross multiply
    1,675.16x = 2,511.16 × 852.47
  4. Step 4: Simplify right side
    1,675.16x = 2,140,688.57
  5. Step 5: Solve for x
    x = 2,140,688.57/1,675.16
  6. Step 6: Final answer
    x = 1,277.90

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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.