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Finding the Fourth Proportional to 15,622.88, 23,437.02 and 6,858.68

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Solution

The fourth proportional to 15,622.88, 23,437.02 and 6,858.68 is: 10,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.88 : 23,437.02 = 6,858.68 : x
  2. Step 2: Convert to fraction form
    15,622.88/23,437.02 = 6,858.68/x
  3. Step 3: Cross multiply
    15,622.88x = 23,437.02 × 6,858.68
  4. Step 4: Simplify right side
    15,622.88x = 160,747,020.33
  5. Step 5: Solve for x
    x = 160,747,020.33/15,622.88
  6. Step 6: Final answer
    x = 10,289.21

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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.