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Finding the Fourth Proportional to 35,610.60, 53,442.15 and 16,890.57

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Solution

The fourth proportional to 35,610.60, 53,442.15 and 16,890.57 is: 25,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.60 : 53,442.15 = 16,890.57 : x
  2. Step 2: Convert to fraction form
    35,610.60/53,442.15 = 16,890.57/x
  3. Step 3: Cross multiply
    35,610.60x = 53,442.15 × 16,890.57
  4. Step 4: Simplify right side
    35,610.60x = 902,668,375.53
  5. Step 5: Solve for x
    x = 902,668,375.53/35,610.60
  6. Step 6: Final answer
    x = 25,348.31

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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.