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Finding the Fourth Proportional to 19,960.92, 27,547.88 and 11,464.12

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Solution

The fourth proportional to 19,960.92, 27,547.88 and 11,464.12 is: 15,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.92 : 27,547.88 = 11,464.12 : x
  2. Step 2: Convert to fraction form
    19,960.92/27,547.88 = 11,464.12/x
  3. Step 3: Cross multiply
    19,960.92x = 27,547.88 × 11,464.12
  4. Step 4: Simplify right side
    19,960.92x = 315,812,202.07
  5. Step 5: Solve for x
    x = 315,812,202.07/19,960.92
  6. Step 6: Final answer
    x = 15,821.53

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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.