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Finding the Fourth Proportional to 58,021.30, 80,063.94 and 32,870.80

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Solution

The fourth proportional to 58,021.30, 80,063.94 and 32,870.80 is: 45,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,021.30 : 80,063.94 = 32,870.80 : x
  2. Step 2: Convert to fraction form
    58,021.30/80,063.94 = 32,870.80/x
  3. Step 3: Cross multiply
    58,021.30x = 80,063.94 × 32,870.80
  4. Step 4: Simplify right side
    58,021.30x = 2,631,765,758.95
  5. Step 5: Solve for x
    x = 2,631,765,758.95/58,021.30
  6. Step 6: Final answer
    x = 45,358.61

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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.