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Finding the Fourth Proportional to 58,765.22, 88,182.86 and 21,328.22

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Solution

The fourth proportional to 58,765.22, 88,182.86 and 21,328.22 is: 32,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,765.22 : 88,182.86 = 21,328.22 : x
  2. Step 2: Convert to fraction form
    58,765.22/88,182.86 = 21,328.22/x
  3. Step 3: Cross multiply
    58,765.22x = 88,182.86 × 21,328.22
  4. Step 4: Simplify right side
    58,765.22x = 1,880,782,890.75
  5. Step 5: Solve for x
    x = 1,880,782,890.75/58,765.22
  6. Step 6: Final answer
    x = 32,005.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.