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Finding the Fourth Proportional to 1,764.69, 2,646.93 and 532.07

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Solution

The fourth proportional to 1,764.69, 2,646.93 and 532.07 is: 798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.69 : 2,646.93 = 532.07 : x
  2. Step 2: Convert to fraction form
    1,764.69/2,646.93 = 532.07/x
  3. Step 3: Cross multiply
    1,764.69x = 2,646.93 × 532.07
  4. Step 4: Simplify right side
    1,764.69x = 1,408,352.05
  5. Step 5: Solve for x
    x = 1,408,352.05/1,764.69
  6. Step 6: Final answer
    x = 798.07

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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.