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Finding the Fourth Proportional to 29,666.88, 40,847.04 and 25,181.76

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Solution

The fourth proportional to 29,666.88, 40,847.04 and 25,181.76 is: 34,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.88 : 40,847.04 = 25,181.76 : x
  2. Step 2: Convert to fraction form
    29,666.88/40,847.04 = 25,181.76/x
  3. Step 3: Cross multiply
    29,666.88x = 40,847.04 × 25,181.76
  4. Step 4: Simplify right side
    29,666.88x = 1,028,600,357.99
  5. Step 5: Solve for x
    x = 1,028,600,357.99/29,666.88
  6. Step 6: Final answer
    x = 34,671.67

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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.