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Finding the Fourth Proportional to 64,893.39, 97,340.09 and 18,146.27

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Solution

The fourth proportional to 64,893.39, 97,340.09 and 18,146.27 is: 27,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.39 : 97,340.09 = 18,146.27 : x
  2. Step 2: Convert to fraction form
    64,893.39/97,340.09 = 18,146.27/x
  3. Step 3: Cross multiply
    64,893.39x = 97,340.09 × 18,146.27
  4. Step 4: Simplify right side
    64,893.39x = 1,766,359,554.96
  5. Step 5: Solve for x
    x = 1,766,359,554.96/64,893.39
  6. Step 6: Final answer
    x = 27,219.41

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1.5x scale

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.