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Finding the Fourth Proportional to 32,120.99, 48,169.49 and 11,055.07

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Solution

The fourth proportional to 32,120.99, 48,169.49 and 11,055.07 is: 16,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.99 : 48,169.49 = 11,055.07 : x
  2. Step 2: Convert to fraction form
    32,120.99/48,169.49 = 11,055.07/x
  3. Step 3: Cross multiply
    32,120.99x = 48,169.49 × 11,055.07
  4. Step 4: Simplify right side
    32,120.99x = 532,516,842.97
  5. Step 5: Solve for x
    x = 532,516,842.97/32,120.99
  6. Step 6: Final answer
    x = 16,578.47

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1.5x scale

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.