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Finding the Fourth Proportional to 41,999.63, 62,999.91 and 17,980.70

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Solution

The fourth proportional to 41,999.63, 62,999.91 and 17,980.70 is: 26,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,999.63 : 62,999.91 = 17,980.70 : x
  2. Step 2: Convert to fraction form
    41,999.63/62,999.91 = 17,980.70/x
  3. Step 3: Cross multiply
    41,999.63x = 62,999.91 × 17,980.70
  4. Step 4: Simplify right side
    41,999.63x = 1,132,782,166.74
  5. Step 5: Solve for x
    x = 1,132,782,166.74/41,999.63
  6. Step 6: Final answer
    x = 26,971.24

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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.