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Finding the Fourth Proportional to 58,789.95, 81,135.50 and 33,297.33

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Solution

The fourth proportional to 58,789.95, 81,135.50 and 33,297.33 is: 45,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.95 : 81,135.50 = 33,297.33 : x
  2. Step 2: Convert to fraction form
    58,789.95/81,135.50 = 33,297.33/x
  3. Step 3: Cross multiply
    58,789.95x = 81,135.50 × 33,297.33
  4. Step 4: Simplify right side
    58,789.95x = 2,701,595,518.22
  5. Step 5: Solve for x
    x = 2,701,595,518.22/58,789.95
  6. Step 6: Final answer
    x = 45,953.36

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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.