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Finding the Fourth Proportional to 27,270.40, 40,905.48 and 7,548.76

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Solution

The fourth proportional to 27,270.40, 40,905.48 and 7,548.76 is: 11,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.40 : 40,905.48 = 7,548.76 : x
  2. Step 2: Convert to fraction form
    27,270.40/40,905.48 = 7,548.76/x
  3. Step 3: Cross multiply
    27,270.40x = 40,905.48 × 7,548.76
  4. Step 4: Simplify right side
    27,270.40x = 308,785,651.20
  5. Step 5: Solve for x
    x = 308,785,651.20/27,270.40
  6. Step 6: Final answer
    x = 11,323.11

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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.