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Finding the Fourth Proportional to 64,670.96, 89,247.12 and 35,993

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Solution

The fourth proportional to 64,670.96, 89,247.12 and 35,993 is: 49,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,670.96 : 89,247.12 = 35,993 : x
  2. Step 2: Convert to fraction form
    64,670.96/89,247.12 = 35,993/x
  3. Step 3: Cross multiply
    64,670.96x = 89,247.12 × 35,993
  4. Step 4: Simplify right side
    64,670.96x = 3,212,271,590.16
  5. Step 5: Solve for x
    x = 3,212,271,590.16/64,670.96
  6. Step 6: Final answer
    x = 49,671.01

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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.