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Finding the Fourth Proportional to 47,235.31, 65,186.31 and 25,725.89

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Solution

The fourth proportional to 47,235.31, 65,186.31 and 25,725.89 is: 35,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235.31 : 65,186.31 = 25,725.89 : x
  2. Step 2: Convert to fraction form
    47,235.31/65,186.31 = 25,725.89/x
  3. Step 3: Cross multiply
    47,235.31x = 65,186.31 × 25,725.89
  4. Step 4: Simplify right side
    47,235.31x = 1,676,975,840.57
  5. Step 5: Solve for x
    x = 1,676,975,840.57/47,235.31
  6. Step 6: Final answer
    x = 35,502.59

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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.