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Finding the Fourth Proportional to 13,008.17, 17,944.35 and 8,751.98

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Solution

The fourth proportional to 13,008.17, 17,944.35 and 8,751.98 is: 12,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.17 : 17,944.35 = 8,751.98 : x
  2. Step 2: Convert to fraction form
    13,008.17/17,944.35 = 8,751.98/x
  3. Step 3: Cross multiply
    13,008.17x = 17,944.35 × 8,751.98
  4. Step 4: Simplify right side
    13,008.17x = 157,048,502.59
  5. Step 5: Solve for x
    x = 157,048,502.59/13,008.17
  6. Step 6: Final answer
    x = 12,073.07

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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.