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Finding the Fourth Proportional to 45,476.44, 68,214.72 and 17,755

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Solution

The fourth proportional to 45,476.44, 68,214.72 and 17,755 is: 26,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,476.44 : 68,214.72 = 17,755 : x
  2. Step 2: Convert to fraction form
    45,476.44/68,214.72 = 17,755/x
  3. Step 3: Cross multiply
    45,476.44x = 68,214.72 × 17,755
  4. Step 4: Simplify right side
    45,476.44x = 1,211,152,353.60
  5. Step 5: Solve for x
    x = 1,211,152,353.60/45,476.44
  6. Step 6: Final answer
    x = 26,632.52

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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.