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Finding the Fourth Proportional to 55,059.75, 82,590.03 and 13,506.75

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Solution

The fourth proportional to 55,059.75, 82,590.03 and 13,506.75 is: 20,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.75 : 82,590.03 = 13,506.75 : x
  2. Step 2: Convert to fraction form
    55,059.75/82,590.03 = 13,506.75/x
  3. Step 3: Cross multiply
    55,059.75x = 82,590.03 × 13,506.75
  4. Step 4: Simplify right side
    55,059.75x = 1,115,522,887.70
  5. Step 5: Solve for x
    x = 1,115,522,887.70/55,059.75
  6. Step 6: Final answer
    x = 20,260.22

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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.