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Finding the Fourth Proportional to 59,091.40, 88,604.70 and 19,628.20

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Solution

The fourth proportional to 59,091.40, 88,604.70 and 19,628.20 is: 29,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,091.40 : 88,604.70 = 19,628.20 : x
  2. Step 2: Convert to fraction form
    59,091.40/88,604.70 = 19,628.20/x
  3. Step 3: Cross multiply
    59,091.40x = 88,604.70 × 19,628.20
  4. Step 4: Simplify right side
    59,091.40x = 1,739,150,772.54
  5. Step 5: Solve for x
    x = 1,739,150,772.54/59,091.40
  6. Step 6: Final answer
    x = 29,431.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.