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Finding the Fourth Proportional to 26,653.50, 36,781.83 and 15,475.50

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Solution

The fourth proportional to 26,653.50, 36,781.83 and 15,475.50 is: 21,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.50 : 36,781.83 = 15,475.50 : x
  2. Step 2: Convert to fraction form
    26,653.50/36,781.83 = 15,475.50/x
  3. Step 3: Cross multiply
    26,653.50x = 36,781.83 × 15,475.50
  4. Step 4: Simplify right side
    26,653.50x = 569,217,210.17
  5. Step 5: Solve for x
    x = 569,217,210.17/26,653.50
  6. Step 6: Final answer
    x = 21,356.19

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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.