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Finding the Fourth Proportional to 17,256.24, 25,878.90 and 7,392.90

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Solution

The fourth proportional to 17,256.24, 25,878.90 and 7,392.90 is: 11,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.24 : 25,878.90 = 7,392.90 : x
  2. Step 2: Convert to fraction form
    17,256.24/25,878.90 = 7,392.90/x
  3. Step 3: Cross multiply
    17,256.24x = 25,878.90 × 7,392.90
  4. Step 4: Simplify right side
    17,256.24x = 191,320,119.81
  5. Step 5: Solve for x
    x = 191,320,119.81/17,256.24
  6. Step 6: Final answer
    x = 11,087.01

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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.