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Finding the Fourth Proportional to 27,276.40, 40,914.48 and 7,554.76

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Solution

The fourth proportional to 27,276.40, 40,914.48 and 7,554.76 is: 11,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.40 : 40,914.48 = 7,554.76 : x
  2. Step 2: Convert to fraction form
    27,276.40/40,914.48 = 7,554.76/x
  3. Step 3: Cross multiply
    27,276.40x = 40,914.48 × 7,554.76
  4. Step 4: Simplify right side
    27,276.40x = 309,099,076.92
  5. Step 5: Solve for x
    x = 309,099,076.92/27,276.40
  6. Step 6: Final answer
    x = 11,332.11

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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.