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Finding the Fourth Proportional to 58,303.60, 80,444.69 and 32,805

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Solution

The fourth proportional to 58,303.60, 80,444.69 and 32,805 is: 45,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,303.60 : 80,444.69 = 32,805 : x
  2. Step 2: Convert to fraction form
    58,303.60/80,444.69 = 32,805/x
  3. Step 3: Cross multiply
    58,303.60x = 80,444.69 × 32,805
  4. Step 4: Simplify right side
    58,303.60x = 2,638,988,198.97
  5. Step 5: Solve for x
    x = 2,638,988,198.97/58,303.60
  6. Step 6: Final answer
    x = 45,262.87

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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.