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Finding the Fourth Proportional to 17,317.20, 25,978.59 and 6,075.66

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Solution

The fourth proportional to 17,317.20, 25,978.59 and 6,075.66 is: 9,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.20 : 25,978.59 = 6,075.66 : x
  2. Step 2: Convert to fraction form
    17,317.20/25,978.59 = 6,075.66/x
  3. Step 3: Cross multiply
    17,317.20x = 25,978.59 × 6,075.66
  4. Step 4: Simplify right side
    17,317.20x = 157,837,080.12
  5. Step 5: Solve for x
    x = 157,837,080.12/17,317.20
  6. Step 6: Final answer
    x = 9,114.47

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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.