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Finding the Fourth Proportional to 45,697.92, 68,532.21 and 14,525.88

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Solution

The fourth proportional to 45,697.92, 68,532.21 and 14,525.88 is: 21,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,697.92 : 68,532.21 = 14,525.88 : x
  2. Step 2: Convert to fraction form
    45,697.92/68,532.21 = 14,525.88/x
  3. Step 3: Cross multiply
    45,697.92x = 68,532.21 × 14,525.88
  4. Step 4: Simplify right side
    45,697.92x = 995,490,658.59
  5. Step 5: Solve for x
    x = 995,490,658.59/45,697.92
  6. Step 6: Final answer
    x = 21,784.16

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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.