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Finding the Fourth Proportional to 15,573.88, 23,342.34 and 8,986.42

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Solution

The fourth proportional to 15,573.88, 23,342.34 and 8,986.42 is: 13,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.88 : 23,342.34 = 8,986.42 : x
  2. Step 2: Convert to fraction form
    15,573.88/23,342.34 = 8,986.42/x
  3. Step 3: Cross multiply
    15,573.88x = 23,342.34 × 8,986.42
  4. Step 4: Simplify right side
    15,573.88x = 209,764,071.02
  5. Step 5: Solve for x
    x = 209,764,071.02/15,573.88
  6. Step 6: Final answer
    x = 13,468.97

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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.