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Finding the Fourth Proportional to 40,553.63, 60,830.45 and 10,973.78

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Solution

The fourth proportional to 40,553.63, 60,830.45 and 10,973.78 is: 16,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553.63 : 60,830.45 = 10,973.78 : x
  2. Step 2: Convert to fraction form
    40,553.63/60,830.45 = 10,973.78/x
  3. Step 3: Cross multiply
    40,553.63x = 60,830.45 × 10,973.78
  4. Step 4: Simplify right side
    40,553.63x = 667,539,698.88
  5. Step 5: Solve for x
    x = 667,539,698.88/40,553.63
  6. Step 6: Final answer
    x = 16,460.67

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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.