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Finding the Fourth Proportional to 45,674.60, 68,522.86 and 14,509.88

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Solution

The fourth proportional to 45,674.60, 68,522.86 and 14,509.88 is: 21,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674.60 : 68,522.86 = 14,509.88 : x
  2. Step 2: Convert to fraction form
    45,674.60/68,522.86 = 14,509.88/x
  3. Step 3: Cross multiply
    45,674.60x = 68,522.86 × 14,509.88
  4. Step 4: Simplify right side
    45,674.60x = 994,258,475.86
  5. Step 5: Solve for x
    x = 994,258,475.86/45,674.60
  6. Step 6: Final answer
    x = 21,768.30

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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.