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Finding the Fourth Proportional to 65,594.35, 90,519.45 and 36,913.90

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Solution

The fourth proportional to 65,594.35, 90,519.45 and 36,913.90 is: 50,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,594.35 : 90,519.45 = 36,913.90 : x
  2. Step 2: Convert to fraction form
    65,594.35/90,519.45 = 36,913.90/x
  3. Step 3: Cross multiply
    65,594.35x = 90,519.45 × 36,913.90
  4. Step 4: Simplify right side
    65,594.35x = 3,341,425,925.36
  5. Step 5: Solve for x
    x = 3,341,425,925.36/65,594.35
  6. Step 6: Final answer
    x = 50,940.76

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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.