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Finding the Fourth Proportional to 52,580.54, 72,560.16 and 29,919.02

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Solution

The fourth proportional to 52,580.54, 72,560.16 and 29,919.02 is: 41,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.54 : 72,560.16 = 29,919.02 : x
  2. Step 2: Convert to fraction form
    52,580.54/72,560.16 = 29,919.02/x
  3. Step 3: Cross multiply
    52,580.54x = 72,560.16 × 29,919.02
  4. Step 4: Simplify right side
    52,580.54x = 2,170,928,878.24
  5. Step 5: Solve for x
    x = 2,170,928,878.24/52,580.54
  6. Step 6: Final answer
    x = 41,287.69

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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.