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Finding the Fourth Proportional to 12,695.63, 17,519.52 and 7,030.62

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Solution

The fourth proportional to 12,695.63, 17,519.52 and 7,030.62 is: 9,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.63 : 17,519.52 = 7,030.62 : x
  2. Step 2: Convert to fraction form
    12,695.63/17,519.52 = 7,030.62/x
  3. Step 3: Cross multiply
    12,695.63x = 17,519.52 × 7,030.62
  4. Step 4: Simplify right side
    12,695.63x = 123,173,087.70
  5. Step 5: Solve for x
    x = 123,173,087.70/12,695.63
  6. Step 6: Final answer
    x = 9,702.01

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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.