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Finding the Fourth Proportional to 64,808, 97,142.88 and 33,600.32

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Solution

The fourth proportional to 64,808, 97,142.88 and 33,600.32 is: 50,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,808 : 97,142.88 = 33,600.32 : x
  2. Step 2: Convert to fraction form
    64,808/97,142.88 = 33,600.32/x
  3. Step 3: Cross multiply
    64,808x = 97,142.88 × 33,600.32
  4. Step 4: Simplify right side
    64,808x = 3,264,031,853.72
  5. Step 5: Solve for x
    x = 3,264,031,853.72/64,808
  6. Step 6: Final answer
    x = 50,364.64

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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.