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Finding the Fourth Proportional to 62,724, 86,630.94 and 41,309.46

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Solution

The fourth proportional to 62,724, 86,630.94 and 41,309.46 is: 57,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,724 : 86,630.94 = 41,309.46 : x
  2. Step 2: Convert to fraction form
    62,724/86,630.94 = 41,309.46/x
  3. Step 3: Cross multiply
    62,724x = 86,630.94 × 41,309.46
  4. Step 4: Simplify right side
    62,724x = 3,578,677,350.69
  5. Step 5: Solve for x
    x = 3,578,677,350.69/62,724
  6. Step 6: Final answer
    x = 57,054.35

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1.5x scale

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.