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Finding the Fourth Proportional to 65,474.44, 98,205.28 and 21,133.01

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Solution

The fourth proportional to 65,474.44, 98,205.28 and 21,133.01 is: 31,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,474.44 : 98,205.28 = 21,133.01 : x
  2. Step 2: Convert to fraction form
    65,474.44/98,205.28 = 21,133.01/x
  3. Step 3: Cross multiply
    65,474.44x = 98,205.28 × 21,133.01
  4. Step 4: Simplify right side
    65,474.44x = 2,075,373,356.97
  5. Step 5: Solve for x
    x = 2,075,373,356.97/65,474.44
  6. Step 6: Final answer
    x = 31,697.46

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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.