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Finding the Fourth Proportional to 70,094.39, 96,726.83 and 39,876.84

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Solution

The fourth proportional to 70,094.39, 96,726.83 and 39,876.84 is: 55,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.39 : 96,726.83 = 39,876.84 : x
  2. Step 2: Convert to fraction form
    70,094.39/96,726.83 = 39,876.84/x
  3. Step 3: Cross multiply
    70,094.39x = 96,726.83 × 39,876.84
  4. Step 4: Simplify right side
    70,094.39x = 3,857,160,124.23
  5. Step 5: Solve for x
    x = 3,857,160,124.23/70,094.39
  6. Step 6: Final answer
    x = 55,028.09

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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.