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Finding the Fourth Proportional to 52,546.80, 78,841.80 and 19,282.80

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Solution

The fourth proportional to 52,546.80, 78,841.80 and 19,282.80 is: 28,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,546.80 : 78,841.80 = 19,282.80 : x
  2. Step 2: Convert to fraction form
    52,546.80/78,841.80 = 19,282.80/x
  3. Step 3: Cross multiply
    52,546.80x = 78,841.80 × 19,282.80
  4. Step 4: Simplify right side
    52,546.80x = 1,520,290,661.04
  5. Step 5: Solve for x
    x = 1,520,290,661.04/52,546.80
  6. Step 6: Final answer
    x = 28,932.13

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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.