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Finding the Fourth Proportional to 58,186.56, 80,344.80 and 47,433.12

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Solution

The fourth proportional to 58,186.56, 80,344.80 and 47,433.12 is: 65,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,186.56 : 80,344.80 = 47,433.12 : x
  2. Step 2: Convert to fraction form
    58,186.56/80,344.80 = 47,433.12/x
  3. Step 3: Cross multiply
    58,186.56x = 80,344.80 × 47,433.12
  4. Step 4: Simplify right side
    58,186.56x = 3,811,004,539.78
  5. Step 5: Solve for x
    x = 3,811,004,539.78/58,186.56
  6. Step 6: Final answer
    x = 65,496.30

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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.