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Finding the Fourth Proportional to 18,404.64, 27,587.25 and 7,295.94

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Solution

The fourth proportional to 18,404.64, 27,587.25 and 7,295.94 is: 10,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.64 : 27,587.25 = 7,295.94 : x
  2. Step 2: Convert to fraction form
    18,404.64/27,587.25 = 7,295.94/x
  3. Step 3: Cross multiply
    18,404.64x = 27,587.25 × 7,295.94
  4. Step 4: Simplify right side
    18,404.64x = 201,274,920.77
  5. Step 5: Solve for x
    x = 201,274,920.77/18,404.64
  6. Step 6: Final answer
    x = 10,936.10

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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.