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Finding the Fourth Proportional to 57,415.68, 79,239.87 and 33,550.38

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Solution

The fourth proportional to 57,415.68, 79,239.87 and 33,550.38 is: 46,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.68 : 79,239.87 = 33,550.38 : x
  2. Step 2: Convert to fraction form
    57,415.68/79,239.87 = 33,550.38/x
  3. Step 3: Cross multiply
    57,415.68x = 79,239.87 × 33,550.38
  4. Step 4: Simplify right side
    57,415.68x = 2,658,527,749.65
  5. Step 5: Solve for x
    x = 2,658,527,749.65/57,415.68
  6. Step 6: Final answer
    x = 46,303.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.