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Finding the Fourth Proportional to 65,422.64, 98,133.72 and 16,174.64

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Solution

The fourth proportional to 65,422.64, 98,133.72 and 16,174.64 is: 24,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,422.64 : 98,133.72 = 16,174.64 : x
  2. Step 2: Convert to fraction form
    65,422.64/98,133.72 = 16,174.64/x
  3. Step 3: Cross multiply
    65,422.64x = 98,133.72 × 16,174.64
  4. Step 4: Simplify right side
    65,422.64x = 1,587,277,592.86
  5. Step 5: Solve for x
    x = 1,587,277,592.86/65,422.64
  6. Step 6: Final answer
    x = 24,261.90

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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.