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Finding the Fourth Proportional to 27,055.76, 37,322.78 and 16,965.18

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Solution

The fourth proportional to 27,055.76, 37,322.78 and 16,965.18 is: 23,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.76 : 37,322.78 = 16,965.18 : x
  2. Step 2: Convert to fraction form
    27,055.76/37,322.78 = 16,965.18/x
  3. Step 3: Cross multiply
    27,055.76x = 37,322.78 × 16,965.18
  4. Step 4: Simplify right side
    27,055.76x = 633,187,595.97
  5. Step 5: Solve for x
    x = 633,187,595.97/27,055.76
  6. Step 6: Final answer
    x = 23,403.07

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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.