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Finding the Fourth Proportional to 64,899.97, 97,349.94 and 27,450.32

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Solution

The fourth proportional to 64,899.97, 97,349.94 and 27,450.32 is: 41,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,899.97 : 97,349.94 = 27,450.32 : x
  2. Step 2: Convert to fraction form
    64,899.97/97,349.94 = 27,450.32/x
  3. Step 3: Cross multiply
    64,899.97x = 97,349.94 × 27,450.32
  4. Step 4: Simplify right side
    64,899.97x = 2,672,286,518.23
  5. Step 5: Solve for x
    x = 2,672,286,518.23/64,899.97
  6. Step 6: Final answer
    x = 41,175.47

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1.5x scale

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.