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Finding the Fourth Proportional to 18,392.58, 27,595.53 and 11,364.39

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Solution

The fourth proportional to 18,392.58, 27,595.53 and 11,364.39 is: 17,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.58 : 27,595.53 = 11,364.39 : x
  2. Step 2: Convert to fraction form
    18,392.58/27,595.53 = 11,364.39/x
  3. Step 3: Cross multiply
    18,392.58x = 27,595.53 × 11,364.39
  4. Step 4: Simplify right side
    18,392.58x = 313,606,365.18
  5. Step 5: Solve for x
    x = 313,606,365.18/18,392.58
  6. Step 6: Final answer
    x = 17,050.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.