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Finding the Fourth Proportional to 32,309.16, 44,575.74 and 20,375.52

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Solution

The fourth proportional to 32,309.16, 44,575.74 and 20,375.52 is: 28,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,309.16 : 44,575.74 = 20,375.52 : x
  2. Step 2: Convert to fraction form
    32,309.16/44,575.74 = 20,375.52/x
  3. Step 3: Cross multiply
    32,309.16x = 44,575.74 × 20,375.52
  4. Step 4: Simplify right side
    32,309.16x = 908,253,881.88
  5. Step 5: Solve for x
    x = 908,253,881.88/32,309.16
  6. Step 6: Final answer
    x = 28,111.34

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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.