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Finding the Fourth Proportional to 57,204.40, 85,814.70 and 17,757.40

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Solution

The fourth proportional to 57,204.40, 85,814.70 and 17,757.40 is: 26,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,204.40 : 85,814.70 = 17,757.40 : x
  2. Step 2: Convert to fraction form
    57,204.40/85,814.70 = 17,757.40/x
  3. Step 3: Cross multiply
    57,204.40x = 85,814.70 × 17,757.40
  4. Step 4: Simplify right side
    57,204.40x = 1,523,845,953.78
  5. Step 5: Solve for x
    x = 1,523,845,953.78/57,204.40
  6. Step 6: Final answer
    x = 26,638.61

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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.