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Finding the Fourth Proportional to 19,608.39, 27,059.74 and 10,655.89

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Solution

The fourth proportional to 19,608.39, 27,059.74 and 10,655.89 is: 14,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.39 : 27,059.74 = 10,655.89 : x
  2. Step 2: Convert to fraction form
    19,608.39/27,059.74 = 10,655.89/x
  3. Step 3: Cross multiply
    19,608.39x = 27,059.74 × 10,655.89
  4. Step 4: Simplify right side
    19,608.39x = 288,345,612.87
  5. Step 5: Solve for x
    x = 288,345,612.87/19,608.39
  6. Step 6: Final answer
    x = 14,705.22

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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.