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Finding the Fourth Proportional to 64,053.54, 96,078.98 and 21,362.04

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Solution

The fourth proportional to 64,053.54, 96,078.98 and 21,362.04 is: 32,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,053.54 : 96,078.98 = 21,362.04 : x
  2. Step 2: Convert to fraction form
    64,053.54/96,078.98 = 21,362.04/x
  3. Step 3: Cross multiply
    64,053.54x = 96,078.98 × 21,362.04
  4. Step 4: Simplify right side
    64,053.54x = 2,052,442,907.11
  5. Step 5: Solve for x
    x = 2,052,442,907.11/64,053.54
  6. Step 6: Final answer
    x = 32,042.62

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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.