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Finding the Fourth Proportional to 58,820, 81,171.60 and 32,324

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Solution

The fourth proportional to 58,820, 81,171.60 and 32,324 is: 44,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820 : 81,171.60 = 32,324 : x
  2. Step 2: Convert to fraction form
    58,820/81,171.60 = 32,324/x
  3. Step 3: Cross multiply
    58,820x = 81,171.60 × 32,324
  4. Step 4: Simplify right side
    58,820x = 2,623,790,798.40
  5. Step 5: Solve for x
    x = 2,623,790,798.40/58,820
  6. Step 6: Final answer
    x = 44,607.12

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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.