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Finding the Fourth Proportional to 27,470.48, 41,205.71 and 9,936.20

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Solution

The fourth proportional to 27,470.48, 41,205.71 and 9,936.20 is: 14,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.48 : 41,205.71 = 9,936.20 : x
  2. Step 2: Convert to fraction form
    27,470.48/41,205.71 = 9,936.20/x
  3. Step 3: Cross multiply
    27,470.48x = 41,205.71 × 9,936.20
  4. Step 4: Simplify right side
    27,470.48x = 409,428,303.56
  5. Step 5: Solve for x
    x = 409,428,303.56/27,470.48
  6. Step 6: Final answer
    x = 14,904.30

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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.