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Finding the Fourth Proportional to 38,771.93, 58,157.88 and 11,069.93

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Solution

The fourth proportional to 38,771.93, 58,157.88 and 11,069.93 is: 16,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.93 : 58,157.88 = 11,069.93 : x
  2. Step 2: Convert to fraction form
    38,771.93/58,157.88 = 11,069.93/x
  3. Step 3: Cross multiply
    38,771.93x = 58,157.88 × 11,069.93
  4. Step 4: Simplify right side
    38,771.93x = 643,803,660.55
  5. Step 5: Solve for x
    x = 643,803,660.55/38,771.93
  6. Step 6: Final answer
    x = 16,604.89

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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.