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Finding the Fourth Proportional to 45,805.86, 63,208.08 and 25,660.08

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Solution

The fourth proportional to 45,805.86, 63,208.08 and 25,660.08 is: 35,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.86 : 63,208.08 = 25,660.08 : x
  2. Step 2: Convert to fraction form
    45,805.86/63,208.08 = 25,660.08/x
  3. Step 3: Cross multiply
    45,805.86x = 63,208.08 × 25,660.08
  4. Step 4: Simplify right side
    45,805.86x = 1,621,924,389.45
  5. Step 5: Solve for x
    x = 1,621,924,389.45/45,805.86
  6. Step 6: Final answer
    x = 35,408.67

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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.