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Finding the Fourth Proportional to 58,529, 87,794.46 and 16,980.20

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Solution

The fourth proportional to 58,529, 87,794.46 and 16,980.20 is: 25,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,529 : 87,794.46 = 16,980.20 : x
  2. Step 2: Convert to fraction form
    58,529/87,794.46 = 16,980.20/x
  3. Step 3: Cross multiply
    58,529x = 87,794.46 × 16,980.20
  4. Step 4: Simplify right side
    58,529x = 1,490,767,489.69
  5. Step 5: Solve for x
    x = 1,490,767,489.69/58,529
  6. Step 6: Final answer
    x = 25,470.58

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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.