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Finding the Fourth Proportional to 12,350.48, 17,042.82 and 7,045.52

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Solution

The fourth proportional to 12,350.48, 17,042.82 and 7,045.52 is: 9,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.48 : 17,042.82 = 7,045.52 : x
  2. Step 2: Convert to fraction form
    12,350.48/17,042.82 = 7,045.52/x
  3. Step 3: Cross multiply
    12,350.48x = 17,042.82 × 7,045.52
  4. Step 4: Simplify right side
    12,350.48x = 120,075,529.17
  5. Step 5: Solve for x
    x = 120,075,529.17/12,350.48
  6. Step 6: Final answer
    x = 9,722.34

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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.