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Finding the Fourth Proportional to 57,232.70, 85,849.05 and 26,128.70

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Solution

The fourth proportional to 57,232.70, 85,849.05 and 26,128.70 is: 39,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.70 : 85,849.05 = 26,128.70 : x
  2. Step 2: Convert to fraction form
    57,232.70/85,849.05 = 26,128.70/x
  3. Step 3: Cross multiply
    57,232.70x = 85,849.05 × 26,128.70
  4. Step 4: Simplify right side
    57,232.70x = 2,243,124,072.74
  5. Step 5: Solve for x
    x = 2,243,124,072.74/57,232.70
  6. Step 6: Final answer
    x = 39,193.05

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Similar ratio
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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.