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Finding the Fourth Proportional to 58,192.56, 80,353.08 and 47,439.12

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Solution

The fourth proportional to 58,192.56, 80,353.08 and 47,439.12 is: 65,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,192.56 : 80,353.08 = 47,439.12 : x
  2. Step 2: Convert to fraction form
    58,192.56/80,353.08 = 47,439.12/x
  3. Step 3: Cross multiply
    58,192.56x = 80,353.08 × 47,439.12
  4. Step 4: Simplify right side
    58,192.56x = 3,811,879,404.49
  5. Step 5: Solve for x
    x = 3,811,879,404.49/58,192.56
  6. Step 6: Final answer
    x = 65,504.58

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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.