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Finding the Fourth Proportional to 19,449.92, 26,844 and 11,069.12

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Solution

The fourth proportional to 19,449.92, 26,844 and 11,069.12 is: 15,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.92 : 26,844 = 11,069.12 : x
  2. Step 2: Convert to fraction form
    19,449.92/26,844 = 11,069.12/x
  3. Step 3: Cross multiply
    19,449.92x = 26,844 × 11,069.12
  4. Step 4: Simplify right side
    19,449.92x = 297,139,457.28
  5. Step 5: Solve for x
    x = 297,139,457.28/19,449.92
  6. Step 6: Final answer
    x = 15,277.16

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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.