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Finding the Fourth Proportional to 58,348, 80,515.45 and 32,846.22

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Solution

The fourth proportional to 58,348, 80,515.45 and 32,846.22 is: 45,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,348 : 80,515.45 = 32,846.22 : x
  2. Step 2: Convert to fraction form
    58,348/80,515.45 = 32,846.22/x
  3. Step 3: Cross multiply
    58,348x = 80,515.45 × 32,846.22
  4. Step 4: Simplify right side
    58,348x = 2,644,628,184.10
  5. Step 5: Solve for x
    x = 2,644,628,184.10/58,348
  6. Step 6: Final answer
    x = 45,325.09

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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.