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Finding the Fourth Proportional to 58,945.62, 88,409.64 and 21,496.89

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Solution

The fourth proportional to 58,945.62, 88,409.64 and 21,496.89 is: 32,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,945.62 : 88,409.64 = 21,496.89 : x
  2. Step 2: Convert to fraction form
    58,945.62/88,409.64 = 21,496.89/x
  3. Step 3: Cross multiply
    58,945.62x = 88,409.64 × 21,496.89
  4. Step 4: Simplify right side
    58,945.62x = 1,900,532,306.02
  5. Step 5: Solve for x
    x = 1,900,532,306.02/58,945.62
  6. Step 6: Final answer
    x = 32,242.13

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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.