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Finding the Fourth Proportional to 58,524.87, 80,763.72 and 31,666.79

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Solution

The fourth proportional to 58,524.87, 80,763.72 and 31,666.79 is: 43,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,524.87 : 80,763.72 = 31,666.79 : x
  2. Step 2: Convert to fraction form
    58,524.87/80,763.72 = 31,666.79/x
  3. Step 3: Cross multiply
    58,524.87x = 80,763.72 × 31,666.79
  4. Step 4: Simplify right side
    58,524.87x = 2,557,527,357.04
  5. Step 5: Solve for x
    x = 2,557,527,357.04/58,524.87
  6. Step 6: Final answer
    x = 43,699.84

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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.