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Finding the Fourth Proportional to 68,160.98, 94,053.69 and 39,480.27

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Solution

The fourth proportional to 68,160.98, 94,053.69 and 39,480.27 is: 54,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,160.98 : 94,053.69 = 39,480.27 : x
  2. Step 2: Convert to fraction form
    68,160.98/94,053.69 = 39,480.27/x
  3. Step 3: Cross multiply
    68,160.98x = 94,053.69 × 39,480.27
  4. Step 4: Simplify right side
    68,160.98x = 3,713,265,075.70
  5. Step 5: Solve for x
    x = 3,713,265,075.70/68,160.98
  6. Step 6: Final answer
    x = 54,477.87

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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.