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Finding the Fourth Proportional to 64,471.12, 88,967.82 and 35,792.02

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Solution

The fourth proportional to 64,471.12, 88,967.82 and 35,792.02 is: 49,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,471.12 : 88,967.82 = 35,792.02 : x
  2. Step 2: Convert to fraction form
    64,471.12/88,967.82 = 35,792.02/x
  3. Step 3: Cross multiply
    64,471.12x = 88,967.82 × 35,792.02
  4. Step 4: Simplify right side
    64,471.12x = 3,184,337,992.80
  5. Step 5: Solve for x
    x = 3,184,337,992.80/64,471.12
  6. Step 6: Final answer
    x = 49,391.70

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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.