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Finding the Fourth Proportional to 19,951.74, 27,533.08 and 11,000.08

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Solution

The fourth proportional to 19,951.74, 27,533.08 and 11,000.08 is: 15,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.74 : 27,533.08 = 11,000.08 : x
  2. Step 2: Convert to fraction form
    19,951.74/27,533.08 = 11,000.08/x
  3. Step 3: Cross multiply
    19,951.74x = 27,533.08 × 11,000.08
  4. Step 4: Simplify right side
    19,951.74x = 302,866,006.97
  5. Step 5: Solve for x
    x = 302,866,006.97/19,951.74
  6. Step 6: Final answer
    x = 15,179.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.