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Finding the Fourth Proportional to 27,387.56, 37,794.72 and 14,812.40

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Solution

The fourth proportional to 27,387.56, 37,794.72 and 14,812.40 is: 20,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.56 : 37,794.72 = 14,812.40 : x
  2. Step 2: Convert to fraction form
    27,387.56/37,794.72 = 14,812.40/x
  3. Step 3: Cross multiply
    27,387.56x = 37,794.72 × 14,812.40
  4. Step 4: Simplify right side
    27,387.56x = 559,830,510.53
  5. Step 5: Solve for x
    x = 559,830,510.53/27,387.56
  6. Step 6: Final answer
    x = 20,441.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.