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Finding the Fourth Proportional to 62,418.91, 86,146.54 and 35,200.60

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Solution

The fourth proportional to 62,418.91, 86,146.54 and 35,200.60 is: 48,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,418.91 : 86,146.54 = 35,200.60 : x
  2. Step 2: Convert to fraction form
    62,418.91/86,146.54 = 35,200.60/x
  3. Step 3: Cross multiply
    62,418.91x = 86,146.54 × 35,200.60
  4. Step 4: Simplify right side
    62,418.91x = 3,032,409,989.45
  5. Step 5: Solve for x
    x = 3,032,409,989.45/62,418.91
  6. Step 6: Final answer
    x = 48,581.59

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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.