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Finding the Fourth Proportional to 25,602.66, 38,410.47 and 10,803.96

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Solution

The fourth proportional to 25,602.66, 38,410.47 and 10,803.96 is: 16,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.66 : 38,410.47 = 10,803.96 : x
  2. Step 2: Convert to fraction form
    25,602.66/38,410.47 = 10,803.96/x
  3. Step 3: Cross multiply
    25,602.66x = 38,410.47 × 10,803.96
  4. Step 4: Simplify right side
    25,602.66x = 414,985,181.46
  5. Step 5: Solve for x
    x = 414,985,181.46/25,602.66
  6. Step 6: Final answer
    x = 16,208.67

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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.