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Finding the Fourth Proportional to 18,582.50, 27,878.01 and 8,054.30

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Solution

The fourth proportional to 18,582.50, 27,878.01 and 8,054.30 is: 12,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.50 : 27,878.01 = 8,054.30 : x
  2. Step 2: Convert to fraction form
    18,582.50/27,878.01 = 8,054.30/x
  3. Step 3: Cross multiply
    18,582.50x = 27,878.01 × 8,054.30
  4. Step 4: Simplify right side
    18,582.50x = 224,537,716.55
  5. Step 5: Solve for x
    x = 224,537,716.55/18,582.50
  6. Step 6: Final answer
    x = 12,083.29

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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.