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Finding the Fourth Proportional to 60,396.99, 90,621.08 and 32,309.69

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Solution

The fourth proportional to 60,396.99, 90,621.08 and 32,309.69 is: 48,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,396.99 : 90,621.08 = 32,309.69 : x
  2. Step 2: Convert to fraction form
    60,396.99/90,621.08 = 32,309.69/x
  3. Step 3: Cross multiply
    60,396.99x = 90,621.08 × 32,309.69
  4. Step 4: Simplify right side
    60,396.99x = 2,927,939,002.27
  5. Step 5: Solve for x
    x = 2,927,939,002.27/60,396.99
  6. Step 6: Final answer
    x = 48,478.23

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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.