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Finding the Fourth Proportional to 19,446.60, 29,145.60 and 17,356.80

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Solution

The fourth proportional to 19,446.60, 29,145.60 and 17,356.80 is: 26,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.60 : 29,145.60 = 17,356.80 : x
  2. Step 2: Convert to fraction form
    19,446.60/29,145.60 = 17,356.80/x
  3. Step 3: Cross multiply
    19,446.60x = 29,145.60 × 17,356.80
  4. Step 4: Simplify right side
    19,446.60x = 505,874,350.08
  5. Step 5: Solve for x
    x = 505,874,350.08/19,446.60
  6. Step 6: Final answer
    x = 26,013.51

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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.