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Finding the Fourth Proportional to 18,707.59, 27,924.51 and 16,493.32

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Solution

The fourth proportional to 18,707.59, 27,924.51 and 16,493.32 is: 24,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.59 : 27,924.51 = 16,493.32 : x
  2. Step 2: Convert to fraction form
    18,707.59/27,924.51 = 16,493.32/x
  3. Step 3: Cross multiply
    18,707.59x = 27,924.51 × 16,493.32
  4. Step 4: Simplify right side
    18,707.59x = 460,567,879.27
  5. Step 5: Solve for x
    x = 460,567,879.27/18,707.59
  6. Step 6: Final answer
    x = 24,619.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.