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Finding the Fourth Proportional to 9,131.34, 12,600.96 and 5,152.41

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Solution

The fourth proportional to 9,131.34, 12,600.96 and 5,152.41 is: 7,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.34 : 12,600.96 = 5,152.41 : x
  2. Step 2: Convert to fraction form
    9,131.34/12,600.96 = 5,152.41/x
  3. Step 3: Cross multiply
    9,131.34x = 12,600.96 × 5,152.41
  4. Step 4: Simplify right side
    9,131.34x = 64,925,312.31
  5. Step 5: Solve for x
    x = 64,925,312.31/9,131.34
  6. Step 6: Final answer
    x = 7,110.16

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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.