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Finding the Fourth Proportional to 35,636.81, 53,454.11 and 16,930.31

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Solution

The fourth proportional to 35,636.81, 53,454.11 and 16,930.31 is: 25,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.81 : 53,454.11 = 16,930.31 : x
  2. Step 2: Convert to fraction form
    35,636.81/53,454.11 = 16,930.31/x
  3. Step 3: Cross multiply
    35,636.81x = 53,454.11 × 16,930.31
  4. Step 4: Simplify right side
    35,636.81x = 904,994,301.15
  5. Step 5: Solve for x
    x = 904,994,301.15/35,636.81
  6. Step 6: Final answer
    x = 25,394.93

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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.