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Finding the Fourth Proportional to 18,106.59, 27,150.98 and 7,573.45

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Solution

The fourth proportional to 18,106.59, 27,150.98 and 7,573.45 is: 11,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.59 : 27,150.98 = 7,573.45 : x
  2. Step 2: Convert to fraction form
    18,106.59/27,150.98 = 7,573.45/x
  3. Step 3: Cross multiply
    18,106.59x = 27,150.98 × 7,573.45
  4. Step 4: Simplify right side
    18,106.59x = 205,626,540.54
  5. Step 5: Solve for x
    x = 205,626,540.54/18,106.59
  6. Step 6: Final answer
    x = 11,356.45

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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.