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Finding the Fourth Proportional to 32,990.54, 49,485.91 and 8,030.59

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Solution

The fourth proportional to 32,990.54, 49,485.91 and 8,030.59 is: 12,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.54 : 49,485.91 = 8,030.59 : x
  2. Step 2: Convert to fraction form
    32,990.54/49,485.91 = 8,030.59/x
  3. Step 3: Cross multiply
    32,990.54x = 49,485.91 × 8,030.59
  4. Step 4: Simplify right side
    32,990.54x = 397,401,053.99
  5. Step 5: Solve for x
    x = 397,401,053.99/32,990.54
  6. Step 6: Final answer
    x = 12,045.91

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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.