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Finding the Fourth Proportional to 18,884.52, 26,058.65 and 11,329.65

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Solution

The fourth proportional to 18,884.52, 26,058.65 and 11,329.65 is: 15,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.52 : 26,058.65 = 11,329.65 : x
  2. Step 2: Convert to fraction form
    18,884.52/26,058.65 = 11,329.65/x
  3. Step 3: Cross multiply
    18,884.52x = 26,058.65 × 11,329.65
  4. Step 4: Simplify right side
    18,884.52x = 295,235,327.32
  5. Step 5: Solve for x
    x = 295,235,327.32/18,884.52
  6. Step 6: Final answer
    x = 15,633.72

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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.