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Finding the Fourth Proportional to 58,919.01, 81,310.07 and 33,426.45

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Solution

The fourth proportional to 58,919.01, 81,310.07 and 33,426.45 is: 46,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,919.01 : 81,310.07 = 33,426.45 : x
  2. Step 2: Convert to fraction form
    58,919.01/81,310.07 = 33,426.45/x
  3. Step 3: Cross multiply
    58,919.01x = 81,310.07 × 33,426.45
  4. Step 4: Simplify right side
    58,919.01x = 2,717,906,989.35
  5. Step 5: Solve for x
    x = 2,717,906,989.35/58,919.01
  6. Step 6: Final answer
    x = 46,129.54

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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.