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Finding the Fourth Proportional to 56,544.80, 84,817.20 and 17,097.80

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Solution

The fourth proportional to 56,544.80, 84,817.20 and 17,097.80 is: 25,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,544.80 : 84,817.20 = 17,097.80 : x
  2. Step 2: Convert to fraction form
    56,544.80/84,817.20 = 17,097.80/x
  3. Step 3: Cross multiply
    56,544.80x = 84,817.20 × 17,097.80
  4. Step 4: Simplify right side
    56,544.80x = 1,450,187,522.16
  5. Step 5: Solve for x
    x = 1,450,187,522.16/56,544.80
  6. Step 6: Final answer
    x = 25,646.70

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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.