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Finding the Fourth Proportional to 54,740.00, 82,110.00 and 13,187.00

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Solution

The fourth proportional to 54,740.00, 82,110.00 and 13,187.00 is: 19,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.00 : 82,110.00 = 13,187.00 : x
  2. Step 2: Convert to fraction form
    54,740.00/82,110.00 = 13,187.00/x
  3. Step 3: Cross multiply
    54,740.00x = 82,110.00 × 13,187.00
  4. Step 4: Simplify right side
    54,740.00x = 1,082,784,824.73
  5. Step 5: Solve for x
    x = 1,082,784,824.73/54,740.00
  6. Step 6: Final answer
    x = 19,780.50

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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.