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Finding the Fourth Proportional to 39,795.63, 59,693.84 and 12,093.63

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Solution

The fourth proportional to 39,795.63, 59,693.84 and 12,093.63 is: 18,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,795.63 : 59,693.84 = 12,093.63 : x
  2. Step 2: Convert to fraction form
    39,795.63/59,693.84 = 12,093.63/x
  3. Step 3: Cross multiply
    39,795.63x = 59,693.84 × 12,093.63
  4. Step 4: Simplify right side
    39,795.63x = 721,915,214.24
  5. Step 5: Solve for x
    x = 721,915,214.24/39,795.63
  6. Step 6: Final answer
    x = 18,140.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.