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Finding the Fourth Proportional to 19,662.74, 27,134.46 and 10,710.22

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Solution

The fourth proportional to 19,662.74, 27,134.46 and 10,710.22 is: 14,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.74 : 27,134.46 = 10,710.22 : x
  2. Step 2: Convert to fraction form
    19,662.74/27,134.46 = 10,710.22/x
  3. Step 3: Cross multiply
    19,662.74x = 27,134.46 × 10,710.22
  4. Step 4: Simplify right side
    19,662.74x = 290,616,036.18
  5. Step 5: Solve for x
    x = 290,616,036.18/19,662.74
  6. Step 6: Final answer
    x = 14,780.04

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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.