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Finding the Fourth Proportional to 45,506.34, 68,220.54 and 29,889.54

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Solution

The fourth proportional to 45,506.34, 68,220.54 and 29,889.54 is: 44,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.34 : 68,220.54 = 29,889.54 : x
  2. Step 2: Convert to fraction form
    45,506.34/68,220.54 = 29,889.54/x
  3. Step 3: Cross multiply
    45,506.34x = 68,220.54 × 29,889.54
  4. Step 4: Simplify right side
    45,506.34x = 2,039,080,559.15
  5. Step 5: Solve for x
    x = 2,039,080,559.15/45,506.34
  6. Step 6: Final answer
    x = 44,808.71

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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.