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Finding the Fourth Proportional to 32,101.20, 44,289.60 and 18,669.60

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Solution

The fourth proportional to 32,101.20, 44,289.60 and 18,669.60 is: 25,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,101.20 : 44,289.60 = 18,669.60 : x
  2. Step 2: Convert to fraction form
    32,101.20/44,289.60 = 18,669.60/x
  3. Step 3: Cross multiply
    32,101.20x = 44,289.60 × 18,669.60
  4. Step 4: Simplify right side
    32,101.20x = 826,869,116.16
  5. Step 5: Solve for x
    x = 826,869,116.16/32,101.20
  6. Step 6: Final answer
    x = 25,758.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.