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Finding the Fourth Proportional to 52,894.16, 72,993.36 and 29,019.68

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Solution

The fourth proportional to 52,894.16, 72,993.36 and 29,019.68 is: 40,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.16 : 72,993.36 = 29,019.68 : x
  2. Step 2: Convert to fraction form
    52,894.16/72,993.36 = 29,019.68/x
  3. Step 3: Cross multiply
    52,894.16x = 72,993.36 × 29,019.68
  4. Step 4: Simplify right side
    52,894.16x = 2,118,243,949.32
  5. Step 5: Solve for x
    x = 2,118,243,949.32/52,894.16
  6. Step 6: Final answer
    x = 40,046.84

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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.