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Finding the Fourth Proportional to 64,580.53, 96,818.53 and 20,184.43

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Solution

The fourth proportional to 64,580.53, 96,818.53 and 20,184.43 is: 30,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.53 : 96,818.53 = 20,184.43 : x
  2. Step 2: Convert to fraction form
    64,580.53/96,818.53 = 20,184.43/x
  3. Step 3: Cross multiply
    64,580.53x = 96,818.53 × 20,184.43
  4. Step 4: Simplify right side
    64,580.53x = 1,954,226,841.49
  5. Step 5: Solve for x
    x = 1,954,226,841.49/64,580.53
  6. Step 6: Final answer
    x = 30,260.31

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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.