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Finding the Fourth Proportional to 11,561.47, 17,341.93 and 6,627.49

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Solution

The fourth proportional to 11,561.47, 17,341.93 and 6,627.49 is: 9,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.47 : 17,341.93 = 6,627.49 : x
  2. Step 2: Convert to fraction form
    11,561.47/17,341.93 = 6,627.49/x
  3. Step 3: Cross multiply
    11,561.47x = 17,341.93 × 6,627.49
  4. Step 4: Simplify right side
    11,561.47x = 114,933,432.59
  5. Step 5: Solve for x
    x = 114,933,432.59/11,561.47
  6. Step 6: Final answer
    x = 9,941.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.