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Finding the Fourth Proportional to 12,695.02, 17,518.54 and 7,029.37

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Solution

The fourth proportional to 12,695.02, 17,518.54 and 7,029.37 is: 9,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.02 : 17,518.54 = 7,029.37 : x
  2. Step 2: Convert to fraction form
    12,695.02/17,518.54 = 7,029.37/x
  3. Step 3: Cross multiply
    12,695.02x = 17,518.54 × 7,029.37
  4. Step 4: Simplify right side
    12,695.02x = 123,144,299.52
  5. Step 5: Solve for x
    x = 123,144,299.52/12,695.02
  6. Step 6: Final answer
    x = 9,700.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.