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Finding the Fourth Proportional to 62,645.77, 86,450.10 and 35,421.41

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Solution

The fourth proportional to 62,645.77, 86,450.10 and 35,421.41 is: 48,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,645.77 : 86,450.10 = 35,421.41 : x
  2. Step 2: Convert to fraction form
    62,645.77/86,450.10 = 35,421.41/x
  3. Step 3: Cross multiply
    62,645.77x = 86,450.10 × 35,421.41
  4. Step 4: Simplify right side
    62,645.77x = 3,062,184,004.39
  5. Step 5: Solve for x
    x = 3,062,184,004.39/62,645.77
  6. Step 6: Final answer
    x = 48,880.94

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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.