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Finding the Fourth Proportional to 17,278.80, 25,907.04 and 9,485.52

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Solution

The fourth proportional to 17,278.80, 25,907.04 and 9,485.52 is: 14,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.80 : 25,907.04 = 9,485.52 : x
  2. Step 2: Convert to fraction form
    17,278.80/25,907.04 = 9,485.52/x
  3. Step 3: Cross multiply
    17,278.80x = 25,907.04 × 9,485.52
  4. Step 4: Simplify right side
    17,278.80x = 245,741,746.06
  5. Step 5: Solve for x
    x = 245,741,746.06/17,278.80
  6. Step 6: Final answer
    x = 14,222.15

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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.