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Finding the Fourth Proportional to 57,153.69, 85,785.87 and 27,592.28

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Solution

The fourth proportional to 57,153.69, 85,785.87 and 27,592.28 is: 41,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.69 : 85,785.87 = 27,592.28 : x
  2. Step 2: Convert to fraction form
    57,153.69/85,785.87 = 27,592.28/x
  3. Step 3: Cross multiply
    57,153.69x = 85,785.87 × 27,592.28
  4. Step 4: Simplify right side
    57,153.69x = 2,367,027,316.15
  5. Step 5: Solve for x
    x = 2,367,027,316.15/57,153.69
  6. Step 6: Final answer
    x = 41,415.13

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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.