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Finding the Fourth Proportional to 76,884.56, 106,082.61 and 46,669.13

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Solution

The fourth proportional to 76,884.56, 106,082.61 and 46,669.13 is: 64,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,884.56 : 106,082.61 = 46,669.13 : x
  2. Step 2: Convert to fraction form
    76,884.56/106,082.61 = 46,669.13/x
  3. Step 3: Cross multiply
    76,884.56x = 106,082.61 × 46,669.13
  4. Step 4: Simplify right side
    76,884.56x = 4,950,782,586.42
  5. Step 5: Solve for x
    x = 4,950,782,586.42/76,884.56
  6. Step 6: Final answer
    x = 64,392.42

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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.