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Finding the Fourth Proportional to 27,289.39, 37,656.69 and 15,352.47

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Solution

The fourth proportional to 27,289.39, 37,656.69 and 15,352.47 is: 21,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.39 : 37,656.69 = 15,352.47 : x
  2. Step 2: Convert to fraction form
    27,289.39/37,656.69 = 15,352.47/x
  3. Step 3: Cross multiply
    27,289.39x = 37,656.69 × 15,352.47
  4. Step 4: Simplify right side
    27,289.39x = 578,123,203.52
  5. Step 5: Solve for x
    x = 578,123,203.52/27,289.39
  6. Step 6: Final answer
    x = 21,184.91

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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.