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Finding the Fourth Proportional to 17,976.90, 26,970.62 and 5,327.00

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Solution

The fourth proportional to 17,976.90, 26,970.62 and 5,327.00 is: 7,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.90 : 26,970.62 = 5,327.00 : x
  2. Step 2: Convert to fraction form
    17,976.90/26,970.62 = 5,327.00/x
  3. Step 3: Cross multiply
    17,976.90x = 26,970.62 × 5,327.00
  4. Step 4: Simplify right side
    17,976.90x = 143,672,331.25
  5. Step 5: Solve for x
    x = 143,672,331.25/17,976.90
  6. Step 6: Final answer
    x = 7,992.05

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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.