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Finding the Fourth Proportional to 33,135.60, 49,703.40 and 32,941.20

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Solution

The fourth proportional to 33,135.60, 49,703.40 and 32,941.20 is: 49,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.60 : 49,703.40 = 32,941.20 : x
  2. Step 2: Convert to fraction form
    33,135.60/49,703.40 = 32,941.20/x
  3. Step 3: Cross multiply
    33,135.60x = 49,703.40 × 32,941.20
  4. Step 4: Simplify right side
    33,135.60x = 1,637,289,640.08
  5. Step 5: Solve for x
    x = 1,637,289,640.08/33,135.60
  6. Step 6: Final answer
    x = 49,411.80

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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.