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Finding the Fourth Proportional to 15,889.26, 23,833.88 and 6,655.26

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Solution

The fourth proportional to 15,889.26, 23,833.88 and 6,655.26 is: 9,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.26 : 23,833.88 = 6,655.26 : x
  2. Step 2: Convert to fraction form
    15,889.26/23,833.88 = 6,655.26/x
  3. Step 3: Cross multiply
    15,889.26x = 23,833.88 × 6,655.26
  4. Step 4: Simplify right side
    15,889.26x = 158,620,668.21
  5. Step 5: Solve for x
    x = 158,620,668.21/15,889.26
  6. Step 6: Final answer
    x = 9,982.89

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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.