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Finding the Fourth Proportional to 25,670.01, 38,510.94 and 10,879.52

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Solution

The fourth proportional to 25,670.01, 38,510.94 and 10,879.52 is: 16,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.01 : 38,510.94 = 10,879.52 : x
  2. Step 2: Convert to fraction form
    25,670.01/38,510.94 = 10,879.52/x
  3. Step 3: Cross multiply
    25,670.01x = 38,510.94 × 10,879.52
  4. Step 4: Simplify right side
    25,670.01x = 418,980,390.19
  5. Step 5: Solve for x
    x = 418,980,390.19/25,670.01
  6. Step 6: Final answer
    x = 16,321.78

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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.