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Finding the Fourth Proportional to 27,851.96, 41,784.44 and 9,130.84

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Solution

The fourth proportional to 27,851.96, 41,784.44 and 9,130.84 is: 13,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.96 : 41,784.44 = 9,130.84 : x
  2. Step 2: Convert to fraction form
    27,851.96/41,784.44 = 9,130.84/x
  3. Step 3: Cross multiply
    27,851.96x = 41,784.44 × 9,130.84
  4. Step 4: Simplify right side
    27,851.96x = 381,526,886.01
  5. Step 5: Solve for x
    x = 381,526,886.01/27,851.96
  6. Step 6: Final answer
    x = 13,698.38

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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.