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Finding the Fourth Proportional to 52,494, 72,442.02 and 28,621.07

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Solution

The fourth proportional to 52,494, 72,442.02 and 28,621.07 is: 39,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,494 : 72,442.02 = 28,621.07 : x
  2. Step 2: Convert to fraction form
    52,494/72,442.02 = 28,621.07/x
  3. Step 3: Cross multiply
    52,494x = 72,442.02 × 28,621.07
  4. Step 4: Simplify right side
    52,494x = 2,073,368,125.36
  5. Step 5: Solve for x
    x = 2,073,368,125.36/52,494
  6. Step 6: Final answer
    x = 39,497.24

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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.