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Finding the Fourth Proportional to 26,485.13, 36,552.72 and 15,307.13

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Solution

The fourth proportional to 26,485.13, 36,552.72 and 15,307.13 is: 21,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.13 : 36,552.72 = 15,307.13 : x
  2. Step 2: Convert to fraction form
    26,485.13/36,552.72 = 15,307.13/x
  3. Step 3: Cross multiply
    26,485.13x = 36,552.72 × 15,307.13
  4. Step 4: Simplify right side
    26,485.13x = 559,517,054.13
  5. Step 5: Solve for x
    x = 559,517,054.13/26,485.13
  6. Step 6: Final answer
    x = 21,125.71

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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.