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Finding the Fourth Proportional to 12,702.92, 17,528.27 and 7,036.26

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Solution

The fourth proportional to 12,702.92, 17,528.27 and 7,036.26 is: 9,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.92 : 17,528.27 = 7,036.26 : x
  2. Step 2: Convert to fraction form
    12,702.92/17,528.27 = 7,036.26/x
  3. Step 3: Cross multiply
    12,702.92x = 17,528.27 × 7,036.26
  4. Step 4: Simplify right side
    12,702.92x = 123,333,482.66
  5. Step 5: Solve for x
    x = 123,333,482.66/12,702.92
  6. Step 6: Final answer
    x = 9,709.07

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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.