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Finding the Fourth Proportional to 3,559.96, 5,340.02 and 962.88

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Solution

The fourth proportional to 3,559.96, 5,340.02 and 962.88 is: 1,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.96 : 5,340.02 = 962.88 : x
  2. Step 2: Convert to fraction form
    3,559.96/5,340.02 = 962.88/x
  3. Step 3: Cross multiply
    3,559.96x = 5,340.02 × 962.88
  4. Step 4: Simplify right side
    3,559.96x = 5,141,798.46
  5. Step 5: Solve for x
    x = 5,141,798.46/3,559.96
  6. Step 6: Final answer
    x = 1,444.34

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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.