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Finding the Fourth Proportional to 18,056.59, 27,084.93 and 4,908.95

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Solution

The fourth proportional to 18,056.59, 27,084.93 and 4,908.95 is: 7,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.59 : 27,084.93 = 4,908.95 : x
  2. Step 2: Convert to fraction form
    18,056.59/27,084.93 = 4,908.95/x
  3. Step 3: Cross multiply
    18,056.59x = 27,084.93 × 4,908.95
  4. Step 4: Simplify right side
    18,056.59x = 132,958,694.82
  5. Step 5: Solve for x
    x = 132,958,694.82/18,056.59
  6. Step 6: Final answer
    x = 7,363.45

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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.