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Finding the Fourth Proportional to 5,674.64, 8,510.76 and 2,711.40

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Solution

The fourth proportional to 5,674.64, 8,510.76 and 2,711.40 is: 4,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.64 : 8,510.76 = 2,711.40 : x
  2. Step 2: Convert to fraction form
    5,674.64/8,510.76 = 2,711.40/x
  3. Step 3: Cross multiply
    5,674.64x = 8,510.76 × 2,711.40
  4. Step 4: Simplify right side
    5,674.64x = 23,076,074.66
  5. Step 5: Solve for x
    x = 23,076,074.66/5,674.64
  6. Step 6: Final answer
    x = 4,066.53

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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.