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Finding the Fourth Proportional to 58.22, 80.35 and 32.00

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Solution

The fourth proportional to 58.22, 80.35 and 32.00 is: 44.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.22 : 80.35 = 32.00 : x
  2. Step 2: Convert to fraction form
    58.22/80.35 = 32.00/x
  3. Step 3: Cross multiply
    58.22x = 80.35 × 32.00
  4. Step 4: Simplify right side
    58.22x = 2,570.71
  5. Step 5: Solve for x
    x = 2,570.71/58.22
  6. Step 6: Final answer
    x = 44.15

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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.