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Finding the Fourth Proportional to 19,609.68, 27,060.63 and 10,656.99

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Solution

The fourth proportional to 19,609.68, 27,060.63 and 10,656.99 is: 14,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.68 : 27,060.63 = 10,656.99 : x
  2. Step 2: Convert to fraction form
    19,609.68/27,060.63 = 10,656.99/x
  3. Step 3: Cross multiply
    19,609.68x = 27,060.63 × 10,656.99
  4. Step 4: Simplify right side
    19,609.68x = 288,384,863.30
  5. Step 5: Solve for x
    x = 288,384,863.30/19,609.68
  6. Step 6: Final answer
    x = 14,706.25

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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.