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Finding the Fourth Proportional to 35,879.20, 53,802.60 and 16,147.60

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Solution

The fourth proportional to 35,879.20, 53,802.60 and 16,147.60 is: 24,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,879.20 : 53,802.60 = 16,147.60 : x
  2. Step 2: Convert to fraction form
    35,879.20/53,802.60 = 16,147.60/x
  3. Step 3: Cross multiply
    35,879.20x = 53,802.60 × 16,147.60
  4. Step 4: Simplify right side
    35,879.20x = 868,782,863.76
  5. Step 5: Solve for x
    x = 868,782,863.76/35,879.20
  6. Step 6: Final answer
    x = 24,214.11

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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.