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Finding the Fourth Proportional to 57,190.34, 78,927.14 and 36,790.63

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Solution

The fourth proportional to 57,190.34, 78,927.14 and 36,790.63 is: 50,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.34 : 78,927.14 = 36,790.63 : x
  2. Step 2: Convert to fraction form
    57,190.34/78,927.14 = 36,790.63/x
  3. Step 3: Cross multiply
    57,190.34x = 78,927.14 × 36,790.63
  4. Step 4: Simplify right side
    57,190.34x = 2,903,779,204.70
  5. Step 5: Solve for x
    x = 2,903,779,204.70/57,190.34
  6. Step 6: Final answer
    x = 50,773.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.