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Finding the Fourth Proportional to 71,392.79, 107,090.56 and 23,999.14

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Solution

The fourth proportional to 71,392.79, 107,090.56 and 23,999.14 is: 35,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.79 : 107,090.56 = 23,999.14 : x
  2. Step 2: Convert to fraction form
    71,392.79/107,090.56 = 23,999.14/x
  3. Step 3: Cross multiply
    71,392.79x = 107,090.56 × 23,999.14
  4. Step 4: Simplify right side
    71,392.79x = 2,570,080,768.60
  5. Step 5: Solve for x
    x = 2,570,080,768.60/71,392.79
  6. Step 6: Final answer
    x = 35,999.16

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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.