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Finding the Fourth Proportional to 65,051.52, 89,771.08 and 35,243.52

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Solution

The fourth proportional to 65,051.52, 89,771.08 and 35,243.52 is: 48,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,051.52 : 89,771.08 = 35,243.52 : x
  2. Step 2: Convert to fraction form
    65,051.52/89,771.08 = 35,243.52/x
  3. Step 3: Cross multiply
    65,051.52x = 89,771.08 × 35,243.52
  4. Step 4: Simplify right side
    65,051.52x = 3,163,848,853.40
  5. Step 5: Solve for x
    x = 3,163,848,853.40/65,051.52
  6. Step 6: Final answer
    x = 48,636.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.