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Finding the Fourth Proportional to 32,041.80, 44,201.58 and 20,720.94

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Solution

The fourth proportional to 32,041.80, 44,201.58 and 20,720.94 is: 28,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,041.80 : 44,201.58 = 20,720.94 : x
  2. Step 2: Convert to fraction form
    32,041.80/44,201.58 = 20,720.94/x
  3. Step 3: Cross multiply
    32,041.80x = 44,201.58 × 20,720.94
  4. Step 4: Simplify right side
    32,041.80x = 915,898,287.09
  5. Step 5: Solve for x
    x = 915,898,287.09/32,041.80
  6. Step 6: Final answer
    x = 28,584.48

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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.