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Finding the Fourth Proportional to 58,803.62, 81,150.39 and 31,947.66

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Solution

The fourth proportional to 58,803.62, 81,150.39 and 31,947.66 is: 44,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.62 : 81,150.39 = 31,947.66 : x
  2. Step 2: Convert to fraction form
    58,803.62/81,150.39 = 31,947.66/x
  3. Step 3: Cross multiply
    58,803.62x = 81,150.39 × 31,947.66
  4. Step 4: Simplify right side
    58,803.62x = 2,592,565,068.59
  5. Step 5: Solve for x
    x = 2,592,565,068.59/58,803.62
  6. Step 6: Final answer
    x = 44,088.53

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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.