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Finding the Fourth Proportional to 45,794.88, 68,484.96 and 45,224.64

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Solution

The fourth proportional to 45,794.88, 68,484.96 and 45,224.64 is: 67,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,794.88 : 68,484.96 = 45,224.64 : x
  2. Step 2: Convert to fraction form
    45,794.88/68,484.96 = 45,224.64/x
  3. Step 3: Cross multiply
    45,794.88x = 68,484.96 × 45,224.64
  4. Step 4: Simplify right side
    45,794.88x = 3,097,207,661.41
  5. Step 5: Solve for x
    x = 3,097,207,661.41/45,794.88
  6. Step 6: Final answer
    x = 67,632.18

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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.