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Finding the Fourth Proportional to 33,364,009.60, 50,046,014.40 and 20,542,940.80

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Solution

The fourth proportional to 33,364,009.60, 50,046,014.40 and 20,542,940.80 is: 30,814,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,364,009.60 : 50,046,014.40 = 20,542,940.80 : x
  2. Step 2: Convert to fraction form
    33,364,009.60/50,046,014.40 = 20,542,940.80/x
  3. Step 3: Cross multiply
    33,364,009.60x = 50,046,014.40 × 20,542,940.80
  4. Step 4: Simplify right side
    33,364,009.60x = 1,028,092,311,095,147.50
  5. Step 5: Solve for x
    x = 1,028,092,311,095,147.50/33,364,009.60
  6. Step 6: Final answer
    x = 30,814,411.20

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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.