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Finding the Fourth Proportional to 18,592.68, 25,619.75 and 17,280.12

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Solution

The fourth proportional to 18,592.68, 25,619.75 and 17,280.12 is: 23,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.68 : 25,619.75 = 17,280.12 : x
  2. Step 2: Convert to fraction form
    18,592.68/25,619.75 = 17,280.12/x
  3. Step 3: Cross multiply
    18,592.68x = 25,619.75 × 17,280.12
  4. Step 4: Simplify right side
    18,592.68x = 442,712,354.37
  5. Step 5: Solve for x
    x = 442,712,354.37/18,592.68
  6. Step 6: Final answer
    x = 23,811.11

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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.