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Finding the Fourth Proportional to 71,653.62, 98,891.07 and 41,433.09

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Solution

The fourth proportional to 71,653.62, 98,891.07 and 41,433.09 is: 57,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,653.62 : 98,891.07 = 41,433.09 : x
  2. Step 2: Convert to fraction form
    71,653.62/98,891.07 = 41,433.09/x
  3. Step 3: Cross multiply
    71,653.62x = 98,891.07 × 41,433.09
  4. Step 4: Simplify right side
    71,653.62x = 4,097,362,603.51
  5. Step 5: Solve for x
    x = 4,097,362,603.51/71,653.62
  6. Step 6: Final answer
    x = 57,182.91

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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.