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Finding the Fourth Proportional to 71,714.48, 98,973.24 and 41,091.63

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Solution

The fourth proportional to 71,714.48, 98,973.24 and 41,091.63 is: 56,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,714.48 : 98,973.24 = 41,091.63 : x
  2. Step 2: Convert to fraction form
    71,714.48/98,973.24 = 41,091.63/x
  3. Step 3: Cross multiply
    71,714.48x = 98,973.24 × 41,091.63
  4. Step 4: Simplify right side
    71,714.48x = 4,066,971,757.98
  5. Step 5: Solve for x
    x = 4,066,971,757.98/71,714.48
  6. Step 6: Final answer
    x = 56,710.61

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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.