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Finding the Fourth Proportional to 19,571.65, 27,008.99 and 10,619.17

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Solution

The fourth proportional to 19,571.65, 27,008.99 and 10,619.17 is: 14,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.65 : 27,008.99 = 10,619.17 : x
  2. Step 2: Convert to fraction form
    19,571.65/27,008.99 = 10,619.17/x
  3. Step 3: Cross multiply
    19,571.65x = 27,008.99 × 10,619.17
  4. Step 4: Simplify right side
    19,571.65x = 286,813,056.34
  5. Step 5: Solve for x
    x = 286,813,056.34/19,571.65
  6. Step 6: Final answer
    x = 14,654.52

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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.