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Finding the Fourth Proportional to 2,270.58, 3,406.06 and 972.06

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Solution

The fourth proportional to 2,270.58, 3,406.06 and 972.06 is: 1,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.58 : 3,406.06 = 972.06 : x
  2. Step 2: Convert to fraction form
    2,270.58/3,406.06 = 972.06/x
  3. Step 3: Cross multiply
    2,270.58x = 3,406.06 × 972.06
  4. Step 4: Simplify right side
    2,270.58x = 3,310,894.68
  5. Step 5: Solve for x
    x = 3,310,894.68/2,270.58
  6. Step 6: Final answer
    x = 1,458.17

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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.