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Finding the Fourth Proportional to 19,662.81, 27,134.54 and 10,710.29

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Solution

The fourth proportional to 19,662.81, 27,134.54 and 10,710.29 is: 14,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.81 : 27,134.54 = 10,710.29 : x
  2. Step 2: Convert to fraction form
    19,662.81/27,134.54 = 10,710.29/x
  3. Step 3: Cross multiply
    19,662.81x = 27,134.54 × 10,710.29
  4. Step 4: Simplify right side
    19,662.81x = 290,618,603.19
  5. Step 5: Solve for x
    x = 290,618,603.19/19,662.81
  6. Step 6: Final answer
    x = 14,780.12

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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.