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Finding the Fourth Proportional to 76,627.54, 105,744.99 and 43,093.54

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Solution

The fourth proportional to 76,627.54, 105,744.99 and 43,093.54 is: 59,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,627.54 : 105,744.99 = 43,093.54 : x
  2. Step 2: Convert to fraction form
    76,627.54/105,744.99 = 43,093.54/x
  3. Step 3: Cross multiply
    76,627.54x = 105,744.99 × 43,093.54
  4. Step 4: Simplify right side
    76,627.54x = 4,556,925,956.36
  5. Step 5: Solve for x
    x = 4,556,925,956.36/76,627.54
  6. Step 6: Final answer
    x = 59,468.51

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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.