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Finding the Fourth Proportional to 62,670.36, 86,488.92 and 41,412.72

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Solution

The fourth proportional to 62,670.36, 86,488.92 and 41,412.72 is: 57,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,670.36 : 86,488.92 = 41,412.72 : x
  2. Step 2: Convert to fraction form
    62,670.36/86,488.92 = 41,412.72/x
  3. Step 3: Cross multiply
    62,670.36x = 86,488.92 × 41,412.72
  4. Step 4: Simplify right side
    62,670.36x = 3,581,741,427.06
  5. Step 5: Solve for x
    x = 3,581,741,427.06/62,670.36
  6. Step 6: Final answer
    x = 57,152.08

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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.