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Finding the Fourth Proportional to 33,436.80, 49,852.80 and 31,708.80

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Solution

The fourth proportional to 33,436.80, 49,852.80 and 31,708.80 is: 47,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,436.80 : 49,852.80 = 31,708.80 : x
  2. Step 2: Convert to fraction form
    33,436.80/49,852.80 = 31,708.80/x
  3. Step 3: Cross multiply
    33,436.80x = 49,852.80 × 31,708.80
  4. Step 4: Simplify right side
    33,436.80x = 1,580,772,464.64
  5. Step 5: Solve for x
    x = 1,580,772,464.64/33,436.80
  6. Step 6: Final answer
    x = 47,276.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.