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Finding the Fourth Proportional to 57,141.63, 85,767.73 and 27,580.28

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Solution

The fourth proportional to 57,141.63, 85,767.73 and 27,580.28 is: 41,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.63 : 85,767.73 = 27,580.28 : x
  2. Step 2: Convert to fraction form
    57,141.63/85,767.73 = 27,580.28/x
  3. Step 3: Cross multiply
    57,141.63x = 85,767.73 × 27,580.28
  4. Step 4: Simplify right side
    57,141.63x = 2,365,497,510.58
  5. Step 5: Solve for x
    x = 2,365,497,510.58/57,141.63
  6. Step 6: Final answer
    x = 41,397.10

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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.