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Finding the Fourth Proportional to 19,645.59, 27,110.09 and 10,693.11

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Solution

The fourth proportional to 19,645.59, 27,110.09 and 10,693.11 is: 14,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.59 : 27,110.09 = 10,693.11 : x
  2. Step 2: Convert to fraction form
    19,645.59/27,110.09 = 10,693.11/x
  3. Step 3: Cross multiply
    19,645.59x = 27,110.09 × 10,693.11
  4. Step 4: Simplify right side
    19,645.59x = 289,891,121.01
  5. Step 5: Solve for x
    x = 289,891,121.01/19,645.59
  6. Step 6: Final answer
    x = 14,756.04

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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.