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Finding the Fourth Proportional to 64,031.19, 96,061.07 and 19,662.43

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Solution

The fourth proportional to 64,031.19, 96,061.07 and 19,662.43 is: 29,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,031.19 : 96,061.07 = 19,662.43 : x
  2. Step 2: Convert to fraction form
    64,031.19/96,061.07 = 19,662.43/x
  3. Step 3: Cross multiply
    64,031.19x = 96,061.07 × 19,662.43
  4. Step 4: Simplify right side
    64,031.19x = 1,888,794,064.60
  5. Step 5: Solve for x
    x = 1,888,794,064.60/64,031.19
  6. Step 6: Final answer
    x = 29,498.03

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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.