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Finding the Fourth Proportional to 65,540.64, 98,311.03 and 16,292.64

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Solution

The fourth proportional to 65,540.64, 98,311.03 and 16,292.64 is: 24,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,540.64 : 98,311.03 = 16,292.64 : x
  2. Step 2: Convert to fraction form
    65,540.64/98,311.03 = 16,292.64/x
  3. Step 3: Cross multiply
    65,540.64x = 98,311.03 × 16,292.64
  4. Step 4: Simplify right side
    65,540.64x = 1,601,746,219.82
  5. Step 5: Solve for x
    x = 1,601,746,219.82/65,540.64
  6. Step 6: Final answer
    x = 24,438.98

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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.