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Finding the Fourth Proportional to 1,566.51, 2,349.71 and 745.37

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Solution

The fourth proportional to 1,566.51, 2,349.71 and 745.37 is: 1,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.51 : 2,349.71 = 745.37 : x
  2. Step 2: Convert to fraction form
    1,566.51/2,349.71 = 745.37/x
  3. Step 3: Cross multiply
    1,566.51x = 2,349.71 × 745.37
  4. Step 4: Simplify right side
    1,566.51x = 1,751,403.34
  5. Step 5: Solve for x
    x = 1,751,403.34/1,566.51
  6. Step 6: Final answer
    x = 1,118.03

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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.