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Finding the Fourth Proportional to 63,483.40, 87,600.90 and 35,188.48

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Solution

The fourth proportional to 63,483.40, 87,600.90 and 35,188.48 is: 48,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,483.40 : 87,600.90 = 35,188.48 : x
  2. Step 2: Convert to fraction form
    63,483.40/87,600.90 = 35,188.48/x
  3. Step 3: Cross multiply
    63,483.40x = 87,600.90 × 35,188.48
  4. Step 4: Simplify right side
    63,483.40x = 3,082,542,517.63
  5. Step 5: Solve for x
    x = 3,082,542,517.63/63,483.40
  6. Step 6: Final answer
    x = 48,556.67

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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.