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Finding the Fourth Proportional to 65,477.62, 90,360.39 and 37,183.42

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Solution

The fourth proportional to 65,477.62, 90,360.39 and 37,183.42 is: 51,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,477.62 : 90,360.39 = 37,183.42 : x
  2. Step 2: Convert to fraction form
    65,477.62/90,360.39 = 37,183.42/x
  3. Step 3: Cross multiply
    65,477.62x = 90,360.39 × 37,183.42
  4. Step 4: Simplify right side
    65,477.62x = 3,359,908,332.73
  5. Step 5: Solve for x
    x = 3,359,908,332.73/65,477.62
  6. Step 6: Final answer
    x = 51,313.84

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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.