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Finding the Fourth Proportional to 64,531.25, 96,800.52 and 22,978.25

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Solution

The fourth proportional to 64,531.25, 96,800.52 and 22,978.25 is: 34,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,531.25 : 96,800.52 = 22,978.25 : x
  2. Step 2: Convert to fraction form
    64,531.25/96,800.52 = 22,978.25/x
  3. Step 3: Cross multiply
    64,531.25x = 96,800.52 × 22,978.25
  4. Step 4: Simplify right side
    64,531.25x = 2,224,306,548.69
  5. Step 5: Solve for x
    x = 2,224,306,548.69/64,531.25
  6. Step 6: Final answer
    x = 34,468.67

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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.