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Finding the Fourth Proportional to 64,755.05, 97,107.05 and 31,465.26

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Solution

The fourth proportional to 64,755.05, 97,107.05 and 31,465.26 is: 47,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.05 : 97,107.05 = 31,465.26 : x
  2. Step 2: Convert to fraction form
    64,755.05/97,107.05 = 31,465.26/x
  3. Step 3: Cross multiply
    64,755.05x = 97,107.05 × 31,465.26
  4. Step 4: Simplify right side
    64,755.05x = 3,055,498,654.75
  5. Step 5: Solve for x
    x = 3,055,498,654.75/64,755.05
  6. Step 6: Final answer
    x = 47,185.49

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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.