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Finding the Fourth Proportional to 66,914.57, 100,265.34 and 35,323.49

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Solution

The fourth proportional to 66,914.57, 100,265.34 and 35,323.49 is: 52,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914.57 : 100,265.34 = 35,323.49 : x
  2. Step 2: Convert to fraction form
    66,914.57/100,265.34 = 35,323.49/x
  3. Step 3: Cross multiply
    66,914.57x = 100,265.34 × 35,323.49
  4. Step 4: Simplify right side
    66,914.57x = 3,541,721,734.84
  5. Step 5: Solve for x
    x = 3,541,721,734.84/66,914.57
  6. Step 6: Final answer
    x = 52,929.01

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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.