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Finding the Fourth Proportional to 32,907.03, 45,399.89 and 18,751.67

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Solution

The fourth proportional to 32,907.03, 45,399.89 and 18,751.67 is: 25,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.03 : 45,399.89 = 18,751.67 : x
  2. Step 2: Convert to fraction form
    32,907.03/45,399.89 = 18,751.67/x
  3. Step 3: Cross multiply
    32,907.03x = 45,399.89 × 18,751.67
  4. Step 4: Simplify right side
    32,907.03x = 851,323,434.56
  5. Step 5: Solve for x
    x = 851,323,434.56/32,907.03
  6. Step 6: Final answer
    x = 25,870.56

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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.