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Finding the Fourth Proportional to 19,350.51, 26,704.00 and 10,854.51

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Solution

The fourth proportional to 19,350.51, 26,704.00 and 10,854.51 is: 14,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.51 : 26,704.00 = 10,854.51 : x
  2. Step 2: Convert to fraction form
    19,350.51/26,704.00 = 10,854.51/x
  3. Step 3: Cross multiply
    19,350.51x = 26,704.00 × 10,854.51
  4. Step 4: Simplify right side
    19,350.51x = 289,858,874.66
  5. Step 5: Solve for x
    x = 289,858,874.66/19,350.51
  6. Step 6: Final answer
    x = 14,979.40

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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.