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Finding the Fourth Proportional to 2,712.01, 4,068.29 and 737.67

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Solution

The fourth proportional to 2,712.01, 4,068.29 and 737.67 is: 1,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.01 : 4,068.29 = 737.67 : x
  2. Step 2: Convert to fraction form
    2,712.01/4,068.29 = 737.67/x
  3. Step 3: Cross multiply
    2,712.01x = 4,068.29 × 737.67
  4. Step 4: Simplify right side
    2,712.01x = 3,001,055.48
  5. Step 5: Solve for x
    x = 3,001,055.48/2,712.01
  6. Step 6: Final answer
    x = 1,106.58

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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.