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Finding the Fourth Proportional to 27,124.56, 37,424.70 and 16,513.56

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Solution

The fourth proportional to 27,124.56, 37,424.70 and 16,513.56 is: 22,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.56 : 37,424.70 = 16,513.56 : x
  2. Step 2: Convert to fraction form
    27,124.56/37,424.70 = 16,513.56/x
  3. Step 3: Cross multiply
    27,124.56x = 37,424.70 × 16,513.56
  4. Step 4: Simplify right side
    27,124.56x = 618,015,028.93
  5. Step 5: Solve for x
    x = 618,015,028.93/27,124.56
  6. Step 6: Final answer
    x = 22,784.33

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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.