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Finding the Fourth Proportional to 57,366.60, 86,049.90 and 43,369.80

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Solution

The fourth proportional to 57,366.60, 86,049.90 and 43,369.80 is: 65,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.60 : 86,049.90 = 43,369.80 : x
  2. Step 2: Convert to fraction form
    57,366.60/86,049.90 = 43,369.80/x
  3. Step 3: Cross multiply
    57,366.60x = 86,049.90 × 43,369.80
  4. Step 4: Simplify right side
    57,366.60x = 3,731,966,953.02
  5. Step 5: Solve for x
    x = 3,731,966,953.02/57,366.60
  6. Step 6: Final answer
    x = 65,054.70

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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.