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Finding the Fourth Proportional to 17,143.16, 25,738.52 and 8,829.11

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Solution

The fourth proportional to 17,143.16, 25,738.52 and 8,829.11 is: 13,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.16 : 25,738.52 = 8,829.11 : x
  2. Step 2: Convert to fraction form
    17,143.16/25,738.52 = 8,829.11/x
  3. Step 3: Cross multiply
    17,143.16x = 25,738.52 × 8,829.11
  4. Step 4: Simplify right side
    17,143.16x = 227,248,051.48
  5. Step 5: Solve for x
    x = 227,248,051.48/17,143.16
  6. Step 6: Final answer
    x = 13,255.91

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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.