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Finding the Fourth Proportional to 52,898.62, 72,999.52 and 29,025.28

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Solution

The fourth proportional to 52,898.62, 72,999.52 and 29,025.28 is: 40,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,898.62 : 72,999.52 = 29,025.28 : x
  2. Step 2: Convert to fraction form
    52,898.62/72,999.52 = 29,025.28/x
  3. Step 3: Cross multiply
    52,898.62x = 72,999.52 × 29,025.28
  4. Step 4: Simplify right side
    52,898.62x = 2,118,831,507.87
  5. Step 5: Solve for x
    x = 2,118,831,507.87/52,898.62
  6. Step 6: Final answer
    x = 40,054.57

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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.