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Finding the Fourth Proportional to 27,086.10, 40,630.04 and 9,316.58

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Solution

The fourth proportional to 27,086.10, 40,630.04 and 9,316.58 is: 13,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.10 : 40,630.04 = 9,316.58 : x
  2. Step 2: Convert to fraction form
    27,086.10/40,630.04 = 9,316.58/x
  3. Step 3: Cross multiply
    27,086.10x = 40,630.04 × 9,316.58
  4. Step 4: Simplify right side
    27,086.10x = 378,532,768.33
  5. Step 5: Solve for x
    x = 378,532,768.33/27,086.10
  6. Step 6: Final answer
    x = 13,975.17

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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.