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Finding the Fourth Proportional to 15,605.70, 23,406.72 and 6,245.34

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Solution

The fourth proportional to 15,605.70, 23,406.72 and 6,245.34 is: 9,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.70 : 23,406.72 = 6,245.34 : x
  2. Step 2: Convert to fraction form
    15,605.70/23,406.72 = 6,245.34/x
  3. Step 3: Cross multiply
    15,605.70x = 23,406.72 × 6,245.34
  4. Step 4: Simplify right side
    15,605.70x = 146,182,848.62
  5. Step 5: Solve for x
    x = 146,182,848.62/15,605.70
  6. Step 6: Final answer
    x = 9,367.28

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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.