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Finding the Fourth Proportional to 77,874.65, 116,866.65 and 33,533.23

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Solution

The fourth proportional to 77,874.65, 116,866.65 and 33,533.23 is: 50,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874.65 : 116,866.65 = 33,533.23 : x
  2. Step 2: Convert to fraction form
    77,874.65/116,866.65 = 33,533.23/x
  3. Step 3: Cross multiply
    77,874.65x = 116,866.65 × 33,533.23
  4. Step 4: Simplify right side
    77,874.65x = 3,918,915,669.45
  5. Step 5: Solve for x
    x = 3,918,915,669.45/77,874.65
  6. Step 6: Final answer
    x = 50,323.38

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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.