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Finding the Fourth Proportional to 1,395.63, 2,094.39 and 962.01

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Solution

The fourth proportional to 1,395.63, 2,094.39 and 962.01 is: 1,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.63 : 2,094.39 = 962.01 : x
  2. Step 2: Convert to fraction form
    1,395.63/2,094.39 = 962.01/x
  3. Step 3: Cross multiply
    1,395.63x = 2,094.39 × 962.01
  4. Step 4: Simplify right side
    1,395.63x = 2,014,824.12
  5. Step 5: Solve for x
    x = 2,014,824.12/1,395.63
  6. Step 6: Final answer
    x = 1,443.67

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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.