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Finding the Fourth Proportional to 19,713.64, 29,581.98 and 9,334.12

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Solution

The fourth proportional to 19,713.64, 29,581.98 and 9,334.12 is: 14,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.64 : 29,581.98 = 9,334.12 : x
  2. Step 2: Convert to fraction form
    19,713.64/29,581.98 = 9,334.12/x
  3. Step 3: Cross multiply
    19,713.64x = 29,581.98 × 9,334.12
  4. Step 4: Simplify right side
    19,713.64x = 276,121,751.16
  5. Step 5: Solve for x
    x = 276,121,751.16/19,713.64
  6. Step 6: Final answer
    x = 14,006.63

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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.