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Finding the Fourth Proportional to 27,777.38, 41,666.09 and 7,000.88

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Solution

The fourth proportional to 27,777.38, 41,666.09 and 7,000.88 is: 10,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.38 : 41,666.09 = 7,000.88 : x
  2. Step 2: Convert to fraction form
    27,777.38/41,666.09 = 7,000.88/x
  3. Step 3: Cross multiply
    27,777.38x = 41,666.09 × 7,000.88
  4. Step 4: Simplify right side
    27,777.38x = 291,699,052.82
  5. Step 5: Solve for x
    x = 291,699,052.82/27,777.38
  6. Step 6: Final answer
    x = 10,501.32

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Double scale
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Similar ratio
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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.