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Finding the Fourth Proportional to 65,523.88, 98,296.74 and 20,548.18

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Solution

The fourth proportional to 65,523.88, 98,296.74 and 20,548.18 is: 30,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,523.88 : 98,296.74 = 20,548.18 : x
  2. Step 2: Convert to fraction form
    65,523.88/98,296.74 = 20,548.18/x
  3. Step 3: Cross multiply
    65,523.88x = 98,296.74 × 20,548.18
  4. Step 4: Simplify right side
    65,523.88x = 2,019,819,106.93
  5. Step 5: Solve for x
    x = 2,019,819,106.93/65,523.88
  6. Step 6: Final answer
    x = 30,825.69

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1.5x scale

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.