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Finding the Fourth Proportional to 14,485.52, 21,728.05 and 4,624.73

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Solution

The fourth proportional to 14,485.52, 21,728.05 and 4,624.73 is: 6,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.52 : 21,728.05 = 4,624.73 : x
  2. Step 2: Convert to fraction form
    14,485.52/21,728.05 = 4,624.73/x
  3. Step 3: Cross multiply
    14,485.52x = 21,728.05 × 4,624.73
  4. Step 4: Simplify right side
    14,485.52x = 100,486,407.43
  5. Step 5: Solve for x
    x = 100,486,407.43/14,485.52
  6. Step 6: Final answer
    x = 6,937.03

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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.