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Finding the Fourth Proportional to 58,989.34, 88,460.52 and 21,540.88

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Solution

The fourth proportional to 58,989.34, 88,460.52 and 21,540.88 is: 32,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.34 : 88,460.52 = 21,540.88 : x
  2. Step 2: Convert to fraction form
    58,989.34/88,460.52 = 21,540.88/x
  3. Step 3: Cross multiply
    58,989.34x = 88,460.52 × 21,540.88
  4. Step 4: Simplify right side
    58,989.34x = 1,905,517,446.06
  5. Step 5: Solve for x
    x = 1,905,517,446.06/58,989.34
  6. Step 6: Final answer
    x = 32,302.74

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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.