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Finding the Fourth Proportional to 65,070.52, 97,607.94 and 18,322

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Solution

The fourth proportional to 65,070.52, 97,607.94 and 18,322 is: 27,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.52 : 97,607.94 = 18,322 : x
  2. Step 2: Convert to fraction form
    65,070.52/97,607.94 = 18,322/x
  3. Step 3: Cross multiply
    65,070.52x = 97,607.94 × 18,322
  4. Step 4: Simplify right side
    65,070.52x = 1,788,372,676.68
  5. Step 5: Solve for x
    x = 1,788,372,676.68/65,070.52
  6. Step 6: Final answer
    x = 27,483.61

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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.