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Finding the Fourth Proportional to 64,407.88, 96,612.20 and 29,323

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Solution

The fourth proportional to 64,407.88, 96,612.20 and 29,323 is: 43,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.88 : 96,612.20 = 29,323 : x
  2. Step 2: Convert to fraction form
    64,407.88/96,612.20 = 29,323/x
  3. Step 3: Cross multiply
    64,407.88x = 96,612.20 × 29,323
  4. Step 4: Simplify right side
    64,407.88x = 2,832,959,540.60
  5. Step 5: Solve for x
    x = 2,832,959,540.60/64,407.88
  6. Step 6: Final answer
    x = 43,984.67

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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.