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Finding the Fourth Proportional to 27,785.55, 41,681.96 and 9,059.01

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Solution

The fourth proportional to 27,785.55, 41,681.96 and 9,059.01 is: 13,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.55 : 41,681.96 = 9,059.01 : x
  2. Step 2: Convert to fraction form
    27,785.55/41,681.96 = 9,059.01/x
  3. Step 3: Cross multiply
    27,785.55x = 41,681.96 × 9,059.01
  4. Step 4: Simplify right side
    27,785.55x = 377,597,247.16
  5. Step 5: Solve for x
    x = 377,597,247.16/27,785.55
  6. Step 6: Final answer
    x = 13,589.70

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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.