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Finding the Fourth Proportional to 64,843.90, 97,265.85 and 18,096.70

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Solution

The fourth proportional to 64,843.90, 97,265.85 and 18,096.70 is: 27,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,843.90 : 97,265.85 = 18,096.70 : x
  2. Step 2: Convert to fraction form
    64,843.90/97,265.85 = 18,096.70/x
  3. Step 3: Cross multiply
    64,843.90x = 97,265.85 × 18,096.70
  4. Step 4: Simplify right side
    64,843.90x = 1,760,190,907.70
  5. Step 5: Solve for x
    x = 1,760,190,907.70/64,843.90
  6. Step 6: Final answer
    x = 27,145.05

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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.