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Finding the Fourth Proportional to 62,421.22, 86,134.53 and 36,928.54

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Solution

The fourth proportional to 62,421.22, 86,134.53 and 36,928.54 is: 50,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.22 : 86,134.53 = 36,928.54 : x
  2. Step 2: Convert to fraction form
    62,421.22/86,134.53 = 36,928.54/x
  3. Step 3: Cross multiply
    62,421.22x = 86,134.53 × 36,928.54
  4. Step 4: Simplify right side
    62,421.22x = 3,180,822,436.49
  5. Step 5: Solve for x
    x = 3,180,822,436.49/62,421.22
  6. Step 6: Final answer
    x = 50,957.39

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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.