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Finding the Fourth Proportional to 62,546.71, 86,327.85 and 39,880.48

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Solution

The fourth proportional to 62,546.71, 86,327.85 and 39,880.48 is: 55,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,546.71 : 86,327.85 = 39,880.48 : x
  2. Step 2: Convert to fraction form
    62,546.71/86,327.85 = 39,880.48/x
  3. Step 3: Cross multiply
    62,546.71x = 86,327.85 × 39,880.48
  4. Step 4: Simplify right side
    62,546.71x = 3,442,796,095.37
  5. Step 5: Solve for x
    x = 3,442,796,095.37/62,546.71
  6. Step 6: Final answer
    x = 55,043.60

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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.