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Finding the Fourth Proportional to 12,365.97, 17,070.96 and 7,059.77

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Solution

The fourth proportional to 12,365.97, 17,070.96 and 7,059.77 is: 9,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.97 : 17,070.96 = 7,059.77 : x
  2. Step 2: Convert to fraction form
    12,365.97/17,070.96 = 7,059.77/x
  3. Step 3: Cross multiply
    12,365.97x = 17,070.96 × 7,059.77
  4. Step 4: Simplify right side
    12,365.97x = 120,517,051.28
  5. Step 5: Solve for x
    x = 120,517,051.28/12,365.97
  6. Step 6: Final answer
    x = 9,745.86

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1.5x scale

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.