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Finding the Fourth Proportional to 17,250.69, 25,870.57 and 7,387.32

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Solution

The fourth proportional to 17,250.69, 25,870.57 and 7,387.32 is: 11,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,250.69 : 25,870.57 = 7,387.32 : x
  2. Step 2: Convert to fraction form
    17,250.69/25,870.57 = 7,387.32/x
  3. Step 3: Cross multiply
    17,250.69x = 25,870.57 × 7,387.32
  4. Step 4: Simplify right side
    17,250.69x = 191,114,179.17
  5. Step 5: Solve for x
    x = 191,114,179.17/17,250.69
  6. Step 6: Final answer
    x = 11,078.64

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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.