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Finding the Fourth Proportional to 15,930, 23,898.03 and 7,610.67

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Solution

The fourth proportional to 15,930, 23,898.03 and 7,610.67 is: 11,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930 : 23,898.03 = 7,610.67 : x
  2. Step 2: Convert to fraction form
    15,930/23,898.03 = 7,610.67/x
  3. Step 3: Cross multiply
    15,930x = 23,898.03 × 7,610.67
  4. Step 4: Simplify right side
    15,930x = 181,880,019.98
  5. Step 5: Solve for x
    x = 181,880,019.98/15,930
  6. Step 6: Final answer
    x = 11,417.45

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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.