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Finding the Fourth Proportional to 52,052.04, 71,832 and 28,179

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Solution

The fourth proportional to 52,052.04, 71,832 and 28,179 is: 38,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,052.04 : 71,832 = 28,179 : x
  2. Step 2: Convert to fraction form
    52,052.04/71,832 = 28,179/x
  3. Step 3: Cross multiply
    52,052.04x = 71,832 × 28,179
  4. Step 4: Simplify right side
    52,052.04x = 2,024,153,928
  5. Step 5: Solve for x
    x = 2,024,153,928/52,052.04
  6. Step 6: Final answer
    x = 38,887.12

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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.