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Finding the Fourth Proportional to 32,354.76, 44,645.16 and 18,928.20

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Solution

The fourth proportional to 32,354.76, 44,645.16 and 18,928.20 is: 26,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,354.76 : 44,645.16 = 18,928.20 : x
  2. Step 2: Convert to fraction form
    32,354.76/44,645.16 = 18,928.20/x
  3. Step 3: Cross multiply
    32,354.76x = 44,645.16 × 18,928.20
  4. Step 4: Simplify right side
    32,354.76x = 845,052,517.51
  5. Step 5: Solve for x
    x = 845,052,517.51/32,354.76
  6. Step 6: Final answer
    x = 26,118.34

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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.