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Finding the Fourth Proportional to 14,097.29, 19,454.28 and 7,809.71

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Solution

The fourth proportional to 14,097.29, 19,454.28 and 7,809.71 is: 10,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.29 : 19,454.28 = 7,809.71 : x
  2. Step 2: Convert to fraction form
    14,097.29/19,454.28 = 7,809.71/x
  3. Step 3: Cross multiply
    14,097.29x = 19,454.28 × 7,809.71
  4. Step 4: Simplify right side
    14,097.29x = 151,932,285.06
  5. Step 5: Solve for x
    x = 151,932,285.06/14,097.29
  6. Step 6: Final answer
    x = 10,777.41

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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.