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Finding the Fourth Proportional to 71,453.03, 98,604.83 and 39,627.32

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Solution

The fourth proportional to 71,453.03, 98,604.83 and 39,627.32 is: 54,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.03 : 98,604.83 = 39,627.32 : x
  2. Step 2: Convert to fraction form
    71,453.03/98,604.83 = 39,627.32/x
  3. Step 3: Cross multiply
    71,453.03x = 98,604.83 × 39,627.32
  4. Step 4: Simplify right side
    71,453.03x = 3,907,444,953.82
  5. Step 5: Solve for x
    x = 3,907,444,953.82/71,453.03
  6. Step 6: Final answer
    x = 54,685.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.