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Finding the Fourth Proportional to 43,461.79, 59,978.72 and 25,558.47

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Solution

The fourth proportional to 43,461.79, 59,978.72 and 25,558.47 is: 35,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.79 : 59,978.72 = 25,558.47 : x
  2. Step 2: Convert to fraction form
    43,461.79/59,978.72 = 25,558.47/x
  3. Step 3: Cross multiply
    43,461.79x = 59,978.72 × 25,558.47
  4. Step 4: Simplify right side
    43,461.79x = 1,532,964,379.65
  5. Step 5: Solve for x
    x = 1,532,964,379.65/43,461.79
  6. Step 6: Final answer
    x = 35,271.54

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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.