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Finding the Fourth Proportional to 5,672.37, 8,510.04 and 2,387.78

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Solution

The fourth proportional to 5,672.37, 8,510.04 and 2,387.78 is: 3,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.37 : 8,510.04 = 2,387.78 : x
  2. Step 2: Convert to fraction form
    5,672.37/8,510.04 = 2,387.78/x
  3. Step 3: Cross multiply
    5,672.37x = 8,510.04 × 2,387.78
  4. Step 4: Simplify right side
    5,672.37x = 20,320,060.76
  5. Step 5: Solve for x
    x = 20,320,060.76/5,672.37
  6. Step 6: Final answer
    x = 3,582.29

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1.5x scale

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.