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Finding the Fourth Proportional to 32,390.44, 44,709.99 and 18,966.01

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Solution

The fourth proportional to 32,390.44, 44,709.99 and 18,966.01 is: 26,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.44 : 44,709.99 = 18,966.01 : x
  2. Step 2: Convert to fraction form
    32,390.44/44,709.99 = 18,966.01/x
  3. Step 3: Cross multiply
    32,390.44x = 44,709.99 × 18,966.01
  4. Step 4: Simplify right side
    32,390.44x = 847,970,117.44
  5. Step 5: Solve for x
    x = 847,970,117.44/32,390.44
  6. Step 6: Final answer
    x = 26,179.64

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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.