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Finding the Fourth Proportional to 17,216.52, 25,803.21 and 9,319.02

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Solution

The fourth proportional to 17,216.52, 25,803.21 and 9,319.02 is: 13,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,216.52 : 25,803.21 = 9,319.02 : x
  2. Step 2: Convert to fraction form
    17,216.52/25,803.21 = 9,319.02/x
  3. Step 3: Cross multiply
    17,216.52x = 25,803.21 × 9,319.02
  4. Step 4: Simplify right side
    17,216.52x = 240,460,630.05
  5. Step 5: Solve for x
    x = 240,460,630.05/17,216.52
  6. Step 6: Final answer
    x = 13,966.85

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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.