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Finding the Fourth Proportional to 65,168.24, 97,751.16 and 20,794.64

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Solution

The fourth proportional to 65,168.24, 97,751.16 and 20,794.64 is: 31,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,168.24 : 97,751.16 = 20,794.64 : x
  2. Step 2: Convert to fraction form
    65,168.24/97,751.16 = 20,794.64/x
  3. Step 3: Cross multiply
    65,168.24x = 97,751.16 × 20,794.64
  4. Step 4: Simplify right side
    65,168.24x = 2,032,700,181.78
  5. Step 5: Solve for x
    x = 2,032,700,181.78/65,168.24
  6. Step 6: Final answer
    x = 31,191.58

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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.