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Finding the Fourth Proportional to 17,255.76, 23,812.83 and 9,803.76

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Solution

The fourth proportional to 17,255.76, 23,812.83 and 9,803.76 is: 13,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.76 : 23,812.83 = 9,803.76 : x
  2. Step 2: Convert to fraction form
    17,255.76/23,812.83 = 9,803.76/x
  3. Step 3: Cross multiply
    17,255.76x = 23,812.83 × 9,803.76
  4. Step 4: Simplify right side
    17,255.76x = 233,455,270.24
  5. Step 5: Solve for x
    x = 233,455,270.24/17,255.76
  6. Step 6: Final answer
    x = 13,529.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.