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Finding the Fourth Proportional to 64,791.09, 97,062.12 and 39,758.22

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Solution

The fourth proportional to 64,791.09, 97,062.12 and 39,758.22 is: 59,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.09 : 97,062.12 = 39,758.22 : x
  2. Step 2: Convert to fraction form
    64,791.09/97,062.12 = 39,758.22/x
  3. Step 3: Cross multiply
    64,791.09x = 97,062.12 × 39,758.22
  4. Step 4: Simplify right side
    64,791.09x = 3,859,017,120.63
  5. Step 5: Solve for x
    x = 3,859,017,120.63/64,791.09
  6. Step 6: Final answer
    x = 59,560.92

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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.