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Finding the Fourth Proportional to 57,645.12, 79,554.12 and 32,494.56

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Solution

The fourth proportional to 57,645.12, 79,554.12 and 32,494.56 is: 44,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.12 : 79,554.12 = 32,494.56 : x
  2. Step 2: Convert to fraction form
    57,645.12/79,554.12 = 32,494.56/x
  3. Step 3: Cross multiply
    57,645.12x = 79,554.12 × 32,494.56
  4. Step 4: Simplify right side
    57,645.12x = 2,585,076,125.59
  5. Step 5: Solve for x
    x = 2,585,076,125.59/57,645.12
  6. Step 6: Final answer
    x = 44,844.67

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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.