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Finding the Fourth Proportional to 64,971.72, 97,451.30 and 44,046.32

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Solution

The fourth proportional to 64,971.72, 97,451.30 and 44,046.32 is: 66,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.72 : 97,451.30 = 44,046.32 : x
  2. Step 2: Convert to fraction form
    64,971.72/97,451.30 = 44,046.32/x
  3. Step 3: Cross multiply
    64,971.72x = 97,451.30 × 44,046.32
  4. Step 4: Simplify right side
    64,971.72x = 4,292,370,767.08
  5. Step 5: Solve for x
    x = 4,292,370,767.08/64,971.72
  6. Step 6: Final answer
    x = 66,065.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.