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Finding the Fourth Proportional to 59,384.48, 81,951.90 and 33,890.32

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Solution

The fourth proportional to 59,384.48, 81,951.90 and 33,890.32 is: 46,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,384.48 : 81,951.90 = 33,890.32 : x
  2. Step 2: Convert to fraction form
    59,384.48/81,951.90 = 33,890.32/x
  3. Step 3: Cross multiply
    59,384.48x = 81,951.90 × 33,890.32
  4. Step 4: Simplify right side
    59,384.48x = 2,777,376,115.61
  5. Step 5: Solve for x
    x = 2,777,376,115.61/59,384.48
  6. Step 6: Final answer
    x = 46,769.39

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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.