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Finding the Fourth Proportional to 33,428,405.70, 50,142,608.55 and 30,558,624.30

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Solution

The fourth proportional to 33,428,405.70, 50,142,608.55 and 30,558,624.30 is: 45,837,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428,405.70 : 50,142,608.55 = 30,558,624.30 : x
  2. Step 2: Convert to fraction form
    33,428,405.70/50,142,608.55 = 30,558,624.30/x
  3. Step 3: Cross multiply
    33,428,405.70x = 50,142,608.55 × 30,558,624.30
  4. Step 4: Simplify right side
    33,428,405.70x = 1,532,289,136,101,417.75
  5. Step 5: Solve for x
    x = 1,532,289,136,101,417.75/33,428,405.70
  6. Step 6: Final answer
    x = 45,837,936.45

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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.