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Finding the Fourth Proportional to 18,328.01, 27,473.52 and 7,228.58

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Solution

The fourth proportional to 18,328.01, 27,473.52 and 7,228.58 is: 10,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.01 : 27,473.52 = 7,228.58 : x
  2. Step 2: Convert to fraction form
    18,328.01/27,473.52 = 7,228.58/x
  3. Step 3: Cross multiply
    18,328.01x = 27,473.52 × 7,228.58
  4. Step 4: Simplify right side
    18,328.01x = 198,594,537.20
  5. Step 5: Solve for x
    x = 198,594,537.20/18,328.01
  6. Step 6: Final answer
    x = 10,835.58

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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.