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Finding the Fourth Proportional to 3,740.06, 5,610.15 and 966.75

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Solution

The fourth proportional to 3,740.06, 5,610.15 and 966.75 is: 1,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.06 : 5,610.15 = 966.75 : x
  2. Step 2: Convert to fraction form
    3,740.06/5,610.15 = 966.75/x
  3. Step 3: Cross multiply
    3,740.06x = 5,610.15 × 966.75
  4. Step 4: Simplify right side
    3,740.06x = 5,423,612.51
  5. Step 5: Solve for x
    x = 5,423,612.51/3,740.06
  6. Step 6: Final answer
    x = 1,450.14

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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.