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Finding the Fourth Proportional to 45,333.70, 68,000.55 and 17,613.70

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Solution

The fourth proportional to 45,333.70, 68,000.55 and 17,613.70 is: 26,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333.70 : 68,000.55 = 17,613.70 : x
  2. Step 2: Convert to fraction form
    45,333.70/68,000.55 = 17,613.70/x
  3. Step 3: Cross multiply
    45,333.70x = 68,000.55 × 17,613.70
  4. Step 4: Simplify right side
    45,333.70x = 1,197,741,287.54
  5. Step 5: Solve for x
    x = 1,197,741,287.54/45,333.70
  6. Step 6: Final answer
    x = 26,420.55

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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.