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Finding the Fourth Proportional to 18,590.60, 27,876.94 and 10,801.64

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Solution

The fourth proportional to 18,590.60, 27,876.94 and 10,801.64 is: 16,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.60 : 27,876.94 = 10,801.64 : x
  2. Step 2: Convert to fraction form
    18,590.60/27,876.94 = 10,801.64/x
  3. Step 3: Cross multiply
    18,590.60x = 27,876.94 × 10,801.64
  4. Step 4: Simplify right side
    18,590.60x = 301,116,670.18
  5. Step 5: Solve for x
    x = 301,116,670.18/18,590.60
  6. Step 6: Final answer
    x = 16,197.25

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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.