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Finding the Fourth Proportional to 60,078.74, 82,907.01 and 33,220.35

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Solution

The fourth proportional to 60,078.74, 82,907.01 and 33,220.35 is: 45,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,078.74 : 82,907.01 = 33,220.35 : x
  2. Step 2: Convert to fraction form
    60,078.74/82,907.01 = 33,220.35/x
  3. Step 3: Cross multiply
    60,078.74x = 82,907.01 × 33,220.35
  4. Step 4: Simplify right side
    60,078.74x = 2,754,199,889.65
  5. Step 5: Solve for x
    x = 2,754,199,889.65/60,078.74
  6. Step 6: Final answer
    x = 45,843.17

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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.