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Finding the Fourth Proportional to 60,493.80, 83,481.53 and 33,639.06

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Solution

The fourth proportional to 60,493.80, 83,481.53 and 33,639.06 is: 46,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.80 : 83,481.53 = 33,639.06 : x
  2. Step 2: Convert to fraction form
    60,493.80/83,481.53 = 33,639.06/x
  3. Step 3: Cross multiply
    60,493.80x = 83,481.53 × 33,639.06
  4. Step 4: Simplify right side
    60,493.80x = 2,808,240,028.37
  5. Step 5: Solve for x
    x = 2,808,240,028.37/60,493.80
  6. Step 6: Final answer
    x = 46,421.95

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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.