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Finding the Fourth Proportional to 52,350.88, 78,528.48 and 17,290.48

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Solution

The fourth proportional to 52,350.88, 78,528.48 and 17,290.48 is: 25,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,350.88 : 78,528.48 = 17,290.48 : x
  2. Step 2: Convert to fraction form
    52,350.88/78,528.48 = 17,290.48/x
  3. Step 3: Cross multiply
    52,350.88x = 78,528.48 × 17,290.48
  4. Step 4: Simplify right side
    52,350.88x = 1,357,795,112.87
  5. Step 5: Solve for x
    x = 1,357,795,112.87/52,350.88
  6. Step 6: Final answer
    x = 25,936.43

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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.