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Finding the Fourth Proportional to 64,912.84, 97,453.30 and 62,247.40

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Solution

The fourth proportional to 64,912.84, 97,453.30 and 62,247.40 is: 93,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.84 : 97,453.30 = 62,247.40 : x
  2. Step 2: Convert to fraction form
    64,912.84/97,453.30 = 62,247.40/x
  3. Step 3: Cross multiply
    64,912.84x = 97,453.30 × 62,247.40
  4. Step 4: Simplify right side
    64,912.84x = 6,066,214,546.42
  5. Step 5: Solve for x
    x = 6,066,214,546.42/64,912.84
  6. Step 6: Final answer
    x = 93,451.69

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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.