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Finding the Fourth Proportional to 57,760.84, 86,590.62 and 27,760.06

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Solution

The fourth proportional to 57,760.84, 86,590.62 and 27,760.06 is: 41,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.84 : 86,590.62 = 27,760.06 : x
  2. Step 2: Convert to fraction form
    57,760.84/86,590.62 = 27,760.06/x
  3. Step 3: Cross multiply
    57,760.84x = 86,590.62 × 27,760.06
  4. Step 4: Simplify right side
    57,760.84x = 2,403,760,806.64
  5. Step 5: Solve for x
    x = 2,403,760,806.64/57,760.84
  6. Step 6: Final answer
    x = 41,615.75

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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.