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Finding the Fourth Proportional to 64,726.40, 97,092.80 and 33,622.40

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Solution

The fourth proportional to 64,726.40, 97,092.80 and 33,622.40 is: 50,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,726.40 : 97,092.80 = 33,622.40 : x
  2. Step 2: Convert to fraction form
    64,726.40/97,092.80 = 33,622.40/x
  3. Step 3: Cross multiply
    64,726.40x = 97,092.80 × 33,622.40
  4. Step 4: Simplify right side
    64,726.40x = 3,264,492,958.72
  5. Step 5: Solve for x
    x = 3,264,492,958.72/64,726.40
  6. Step 6: Final answer
    x = 50,435.26

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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.