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Finding the Fourth Proportional to 57,358.63, 85,940.80 and 35,125.55

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Solution

The fourth proportional to 57,358.63, 85,940.80 and 35,125.55 is: 52,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358.63 : 85,940.80 = 35,125.55 : x
  2. Step 2: Convert to fraction form
    57,358.63/85,940.80 = 35,125.55/x
  3. Step 3: Cross multiply
    57,358.63x = 85,940.80 × 35,125.55
  4. Step 4: Simplify right side
    57,358.63x = 3,018,717,672.20
  5. Step 5: Solve for x
    x = 3,018,717,672.20/57,358.63
  6. Step 6: Final answer
    x = 52,628.83

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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.