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Finding the Fourth Proportional to 18,614.18, 27,925.41 and 6,927.40

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Solution

The fourth proportional to 18,614.18, 27,925.41 and 6,927.40 is: 10,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.18 : 27,925.41 = 6,927.40 : x
  2. Step 2: Convert to fraction form
    18,614.18/27,925.41 = 6,927.40/x
  3. Step 3: Cross multiply
    18,614.18x = 27,925.41 × 6,927.40
  4. Step 4: Simplify right side
    18,614.18x = 193,450,428.61
  5. Step 5: Solve for x
    x = 193,450,428.61/18,614.18
  6. Step 6: Final answer
    x = 10,392.64

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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.