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Finding the Fourth Proportional to 13,293.92, 19,908.04 and 9,908.59

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Solution

The fourth proportional to 13,293.92, 19,908.04 and 9,908.59 is: 14,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.92 : 19,908.04 = 9,908.59 : x
  2. Step 2: Convert to fraction form
    13,293.92/19,908.04 = 9,908.59/x
  3. Step 3: Cross multiply
    13,293.92x = 19,908.04 × 9,908.59
  4. Step 4: Simplify right side
    13,293.92x = 197,260,606.06
  5. Step 5: Solve for x
    x = 197,260,606.06/13,293.92
  6. Step 6: Final answer
    x = 14,838.41

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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.