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Finding the Fourth Proportional to 1,267.08, 1,900.82 and 536.66

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Solution

The fourth proportional to 1,267.08, 1,900.82 and 536.66 is: 805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.08 : 1,900.82 = 536.66 : x
  2. Step 2: Convert to fraction form
    1,267.08/1,900.82 = 536.66/x
  3. Step 3: Cross multiply
    1,267.08x = 1,900.82 × 536.66
  4. Step 4: Simplify right side
    1,267.08x = 1,020,094.06
  5. Step 5: Solve for x
    x = 1,020,094.06/1,267.08
  6. Step 6: Final answer
    x = 805.07

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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.