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Finding the Fourth Proportional to 1,550.95, 2,326.62 and 729.41

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Solution

The fourth proportional to 1,550.95, 2,326.62 and 729.41 is: 1,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.95 : 2,326.62 = 729.41 : x
  2. Step 2: Convert to fraction form
    1,550.95/2,326.62 = 729.41/x
  3. Step 3: Cross multiply
    1,550.95x = 2,326.62 × 729.41
  4. Step 4: Simplify right side
    1,550.95x = 1,697,051.00
  5. Step 5: Solve for x
    x = 1,697,051.00/1,550.95
  6. Step 6: Final answer
    x = 1,094.20

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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.