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Finding the Fourth Proportional to 65,364.10, 97,997.55 and 35,815.30

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Solution

The fourth proportional to 65,364.10, 97,997.55 and 35,815.30 is: 53,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,364.10 : 97,997.55 = 35,815.30 : x
  2. Step 2: Convert to fraction form
    65,364.10/97,997.55 = 35,815.30/x
  3. Step 3: Cross multiply
    65,364.10x = 97,997.55 × 35,815.30
  4. Step 4: Simplify right side
    65,364.10x = 3,509,811,652.52
  5. Step 5: Solve for x
    x = 3,509,811,652.52/65,364.10
  6. Step 6: Final answer
    x = 53,696.32

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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.