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Finding the Fourth Proportional to 12,651.46, 17,458.95 and 7,062.46

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Solution

The fourth proportional to 12,651.46, 17,458.95 and 7,062.46 is: 9,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651.46 : 17,458.95 = 7,062.46 : x
  2. Step 2: Convert to fraction form
    12,651.46/17,458.95 = 7,062.46/x
  3. Step 3: Cross multiply
    12,651.46x = 17,458.95 × 7,062.46
  4. Step 4: Simplify right side
    12,651.46x = 123,303,136.02
  5. Step 5: Solve for x
    x = 123,303,136.02/12,651.46
  6. Step 6: Final answer
    x = 9,746.16

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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.