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Finding the Fourth Proportional to 7,056.80, 10,576.98 and 5,671.70

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Solution

The fourth proportional to 7,056.80, 10,576.98 and 5,671.70 is: 8,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.80 : 10,576.98 = 5,671.70 : x
  2. Step 2: Convert to fraction form
    7,056.80/10,576.98 = 5,671.70/x
  3. Step 3: Cross multiply
    7,056.80x = 10,576.98 × 5,671.70
  4. Step 4: Simplify right side
    7,056.80x = 59,989,457.47
  5. Step 5: Solve for x
    x = 59,989,457.47/7,056.80
  6. Step 6: Final answer
    x = 8,500.94

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Why These Related Problems?

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