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Finding the Fourth Proportional to 19,777.57, 29,662.57 and 5,926.57

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Solution

The fourth proportional to 19,777.57, 29,662.57 and 5,926.57 is: 8,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.57 : 29,662.57 = 5,926.57 : x
  2. Step 2: Convert to fraction form
    19,777.57/29,662.57 = 5,926.57/x
  3. Step 3: Cross multiply
    19,777.57x = 29,662.57 × 5,926.57
  4. Step 4: Simplify right side
    19,777.57x = 175,797,230.74
  5. Step 5: Solve for x
    x = 175,797,230.74/19,777.57
  6. Step 6: Final answer
    x = 8,888.72

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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.