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Finding the Fourth Proportional to 15,171.51, 22,749.03 and 6,841.78

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Solution

The fourth proportional to 15,171.51, 22,749.03 and 6,841.78 is: 10,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.51 : 22,749.03 = 6,841.78 : x
  2. Step 2: Convert to fraction form
    15,171.51/22,749.03 = 6,841.78/x
  3. Step 3: Cross multiply
    15,171.51x = 22,749.03 × 6,841.78
  4. Step 4: Simplify right side
    15,171.51x = 155,643,858.47
  5. Step 5: Solve for x
    x = 155,643,858.47/15,171.51
  6. Step 6: Final answer
    x = 10,258.96

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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.