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Finding the Fourth Proportional to 47,390.93, 65,322.95 and 41,242.89

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Solution

The fourth proportional to 47,390.93, 65,322.95 and 41,242.89 is: 56,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.93 : 65,322.95 = 41,242.89 : x
  2. Step 2: Convert to fraction form
    47,390.93/65,322.95 = 41,242.89/x
  3. Step 3: Cross multiply
    47,390.93x = 65,322.95 × 41,242.89
  4. Step 4: Simplify right side
    47,390.93x = 2,694,107,241.33
  5. Step 5: Solve for x
    x = 2,694,107,241.33/47,390.93
  6. Step 6: Final answer
    x = 56,848.58

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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.