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Finding the Fourth Proportional to 59,012.70, 81,436.68 and 33,518.76

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Solution

The fourth proportional to 59,012.70, 81,436.68 and 33,518.76 is: 46,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,012.70 : 81,436.68 = 33,518.76 : x
  2. Step 2: Convert to fraction form
    59,012.70/81,436.68 = 33,518.76/x
  3. Step 3: Cross multiply
    59,012.70x = 81,436.68 × 33,518.76
  4. Step 4: Simplify right side
    59,012.70x = 2,729,656,532.12
  5. Step 5: Solve for x
    x = 2,729,656,532.12/59,012.70
  6. Step 6: Final answer
    x = 46,255.41

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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.