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Finding the Fourth Proportional to 45,851.70, 68,789.70 and 16,266.45

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Solution

The fourth proportional to 45,851.70, 68,789.70 and 16,266.45 is: 24,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.70 : 68,789.70 = 16,266.45 : x
  2. Step 2: Convert to fraction form
    45,851.70/68,789.70 = 16,266.45/x
  3. Step 3: Cross multiply
    45,851.70x = 68,789.70 × 16,266.45
  4. Step 4: Simplify right side
    45,851.70x = 1,118,964,215.57
  5. Step 5: Solve for x
    x = 1,118,964,215.57/45,851.70
  6. Step 6: Final answer
    x = 24,403.99

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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.