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Finding the Fourth Proportional to 71,608.44, 98,803.74 and 43,313.52

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Solution

The fourth proportional to 71,608.44, 98,803.74 and 43,313.52 is: 59,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608.44 : 98,803.74 = 43,313.52 : x
  2. Step 2: Convert to fraction form
    71,608.44/98,803.74 = 43,313.52/x
  3. Step 3: Cross multiply
    71,608.44x = 98,803.74 × 43,313.52
  4. Step 4: Simplify right side
    71,608.44x = 4,279,537,768.56
  5. Step 5: Solve for x
    x = 4,279,537,768.56/71,608.44
  6. Step 6: Final answer
    x = 59,763.04

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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.