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Finding the Fourth Proportional to 18,035.70, 27,053.55 and 7,505.52

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Solution

The fourth proportional to 18,035.70, 27,053.55 and 7,505.52 is: 11,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.70 : 27,053.55 = 7,505.52 : x
  2. Step 2: Convert to fraction form
    18,035.70/27,053.55 = 7,505.52/x
  3. Step 3: Cross multiply
    18,035.70x = 27,053.55 × 7,505.52
  4. Step 4: Simplify right side
    18,035.70x = 203,050,960.60
  5. Step 5: Solve for x
    x = 203,050,960.60/18,035.70
  6. Step 6: Final answer
    x = 11,258.28

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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.