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Finding the Fourth Proportional to 17,228.30, 25,810.05 and 8,879.90

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Solution

The fourth proportional to 17,228.30, 25,810.05 and 8,879.90 is: 13,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.30 : 25,810.05 = 8,879.90 : x
  2. Step 2: Convert to fraction form
    17,228.30/25,810.05 = 8,879.90/x
  3. Step 3: Cross multiply
    17,228.30x = 25,810.05 × 8,879.90
  4. Step 4: Simplify right side
    17,228.30x = 229,190,663.00
  5. Step 5: Solve for x
    x = 229,190,663.00/17,228.30
  6. Step 6: Final answer
    x = 13,303.15

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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.