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Finding the Fourth Proportional to 32,478.35, 44,819.76 and 18,330.89

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Solution

The fourth proportional to 32,478.35, 44,819.76 and 18,330.89 is: 25,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,478.35 : 44,819.76 = 18,330.89 : x
  2. Step 2: Convert to fraction form
    32,478.35/44,819.76 = 18,330.89/x
  3. Step 3: Cross multiply
    32,478.35x = 44,819.76 × 18,330.89
  4. Step 4: Simplify right side
    32,478.35x = 821,585,935.03
  5. Step 5: Solve for x
    x = 821,585,935.03/32,478.35
  6. Step 6: Final answer
    x = 25,296.42

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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.