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Finding the Fourth Proportional to 18,056.71, 27,019.41 and 14,907.43

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Solution

The fourth proportional to 18,056.71, 27,019.41 and 14,907.43 is: 22,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.71 : 27,019.41 = 14,907.43 : x
  2. Step 2: Convert to fraction form
    18,056.71/27,019.41 = 14,907.43/x
  3. Step 3: Cross multiply
    18,056.71x = 27,019.41 × 14,907.43
  4. Step 4: Simplify right side
    18,056.71x = 402,789,963.22
  5. Step 5: Solve for x
    x = 402,789,963.22/18,056.71
  6. Step 6: Final answer
    x = 22,306.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.