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Finding the Fourth Proportional to 51,487.66, 77,216.58 and 15,462.67

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Solution

The fourth proportional to 51,487.66, 77,216.58 and 15,462.67 is: 23,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,487.66 : 77,216.58 = 15,462.67 : x
  2. Step 2: Convert to fraction form
    51,487.66/77,216.58 = 15,462.67/x
  3. Step 3: Cross multiply
    51,487.66x = 77,216.58 × 15,462.67
  4. Step 4: Simplify right side
    51,487.66x = 1,193,974,495.07
  5. Step 5: Solve for x
    x = 1,193,974,495.07/51,487.66
  6. Step 6: Final answer
    x = 23,189.53

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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.