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Finding the Fourth Proportional to 27,765.71, 41,648.54 and 9,045.72

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Solution

The fourth proportional to 27,765.71, 41,648.54 and 9,045.72 is: 13,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.71 : 41,648.54 = 9,045.72 : x
  2. Step 2: Convert to fraction form
    27,765.71/41,648.54 = 9,045.72/x
  3. Step 3: Cross multiply
    27,765.71x = 41,648.54 × 9,045.72
  4. Step 4: Simplify right side
    27,765.71x = 376,740,829.84
  5. Step 5: Solve for x
    x = 376,740,829.84/27,765.71
  6. Step 6: Final answer
    x = 13,568.56

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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.