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Finding the Fourth Proportional to 18,148.26, 27,223.94 and 5,000.64

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Solution

The fourth proportional to 18,148.26, 27,223.94 and 5,000.64 is: 7,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.26 : 27,223.94 = 5,000.64 : x
  2. Step 2: Convert to fraction form
    18,148.26/27,223.94 = 5,000.64/x
  3. Step 3: Cross multiply
    18,148.26x = 27,223.94 × 5,000.64
  4. Step 4: Simplify right side
    18,148.26x = 136,137,123.32
  5. Step 5: Solve for x
    x = 136,137,123.32/18,148.26
  6. Step 6: Final answer
    x = 7,501.39

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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.