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Finding the Fourth Proportional to 7,056.09, 10,554.71 and 6,531.21

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Solution

The fourth proportional to 7,056.09, 10,554.71 and 6,531.21 is: 9,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.09 : 10,554.71 = 6,531.21 : x
  2. Step 2: Convert to fraction form
    7,056.09/10,554.71 = 6,531.21/x
  3. Step 3: Cross multiply
    7,056.09x = 10,554.71 × 6,531.21
  4. Step 4: Simplify right side
    7,056.09x = 68,934,994.84
  5. Step 5: Solve for x
    x = 68,934,994.84/7,056.09
  6. Step 6: Final answer
    x = 9,769.57

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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.