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Finding the Fourth Proportional to 32,658.92, 45,069.26 and 19,912.10

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Solution

The fourth proportional to 32,658.92, 45,069.26 and 19,912.10 is: 27,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,658.92 : 45,069.26 = 19,912.10 : x
  2. Step 2: Convert to fraction form
    32,658.92/45,069.26 = 19,912.10/x
  3. Step 3: Cross multiply
    32,658.92x = 45,069.26 × 19,912.10
  4. Step 4: Simplify right side
    32,658.92x = 897,423,612.05
  5. Step 5: Solve for x
    x = 897,423,612.05/32,658.92
  6. Step 6: Final answer
    x = 27,478.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.