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Finding the Fourth Proportional to 27,754.99, 41,627.93 and 11,955.74

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Solution

The fourth proportional to 27,754.99, 41,627.93 and 11,955.74 is: 17,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.99 : 41,627.93 = 11,955.74 : x
  2. Step 2: Convert to fraction form
    27,754.99/41,627.93 = 11,955.74/x
  3. Step 3: Cross multiply
    27,754.99x = 41,627.93 × 11,955.74
  4. Step 4: Simplify right side
    27,754.99x = 497,692,439.90
  5. Step 5: Solve for x
    x = 497,692,439.90/27,754.99
  6. Step 6: Final answer
    x = 17,931.64

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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.