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Finding the Fourth Proportional to 32,636.30, 48,957.84 and 13,918.31

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Solution

The fourth proportional to 32,636.30, 48,957.84 and 13,918.31 is: 20,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,636.30 : 48,957.84 = 13,918.31 : x
  2. Step 2: Convert to fraction form
    32,636.30/48,957.84 = 13,918.31/x
  3. Step 3: Cross multiply
    32,636.30x = 48,957.84 × 13,918.31
  4. Step 4: Simplify right side
    32,636.30x = 681,410,149.26
  5. Step 5: Solve for x
    x = 681,410,149.26/32,636.30
  6. Step 6: Final answer
    x = 20,878.91

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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.