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Finding the Fourth Proportional to 59,348.30, 81,900.51 and 32,490.57

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Solution

The fourth proportional to 59,348.30, 81,900.51 and 32,490.57 is: 44,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,348.30 : 81,900.51 = 32,490.57 : x
  2. Step 2: Convert to fraction form
    59,348.30/81,900.51 = 32,490.57/x
  3. Step 3: Cross multiply
    59,348.30x = 81,900.51 × 32,490.57
  4. Step 4: Simplify right side
    59,348.30x = 2,660,994,253.19
  5. Step 5: Solve for x
    x = 2,660,994,253.19/59,348.30
  6. Step 6: Final answer
    x = 44,836.91

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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.