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Finding the Fourth Proportional to 27,779.74, 41,685.20 and 27,568.74

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Solution

The fourth proportional to 27,779.74, 41,685.20 and 27,568.74 is: 41,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.74 : 41,685.20 = 27,568.74 : x
  2. Step 2: Convert to fraction form
    27,779.74/41,685.20 = 27,568.74/x
  3. Step 3: Cross multiply
    27,779.74x = 41,685.20 × 27,568.74
  4. Step 4: Simplify right side
    27,779.74x = 1,149,208,440.65
  5. Step 5: Solve for x
    x = 1,149,208,440.65/27,779.74
  6. Step 6: Final answer
    x = 41,368.58

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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.