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Finding the Fourth Proportional to 1,486.98, 2,052.08 and 963.01

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Solution

The fourth proportional to 1,486.98, 2,052.08 and 963.01 is: 1,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.98 : 2,052.08 = 963.01 : x
  2. Step 2: Convert to fraction form
    1,486.98/2,052.08 = 963.01/x
  3. Step 3: Cross multiply
    1,486.98x = 2,052.08 × 963.01
  4. Step 4: Simplify right side
    1,486.98x = 1,976,173.56
  5. Step 5: Solve for x
    x = 1,976,173.56/1,486.98
  6. Step 6: Final answer
    x = 1,328.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.