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Finding the Fourth Proportional to 58,504.55, 87,763.73 and 20,542.19

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Solution

The fourth proportional to 58,504.55, 87,763.73 and 20,542.19 is: 30,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,504.55 : 87,763.73 = 20,542.19 : x
  2. Step 2: Convert to fraction form
    58,504.55/87,763.73 = 20,542.19/x
  3. Step 3: Cross multiply
    58,504.55x = 87,763.73 × 20,542.19
  4. Step 4: Simplify right side
    58,504.55x = 1,802,858,675.24
  5. Step 5: Solve for x
    x = 1,802,858,675.24/58,504.55
  6. Step 6: Final answer
    x = 30,815.70

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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.